diff --git a/src/core/migrations/0173_lock_created_at.py b/src/core/migrations/0173_lock_created_at.py
new file mode 100644
index 0000000000000000000000000000000000000000..67fb7844401eb71e7f65fecc1a5525370a9e0852
--- /dev/null
+++ b/src/core/migrations/0173_lock_created_at.py
@@ -0,0 +1,20 @@
+# Generated by Django 5.1.3 on 2024-12-25 14:36
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0172_assembly_location_state'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='lock',
+            name='created_at',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+    ]
diff --git a/src/core/models/locks.py b/src/core/models/locks.py
index 2815cacdddfe01ee564d43c522d8847477b8776e..51673fcf0319f35eff33b97a9ec6c545888e6896 100644
--- a/src/core/models/locks.py
+++ b/src/core/models/locks.py
@@ -13,6 +13,7 @@ class Lock(models.Model):
     content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
     object_id = models.UUIDField()
     content_object = GenericForeignKey('content_type', 'object_id')
+    created_at = models.DateTimeField(auto_now_add=True)
     timeout = models.DateTimeField()
     lock_holder = models.ForeignKey(PlatformUser, on_delete=models.CASCADE, related_name='locks')
 
diff --git a/src/core/models/pages.py b/src/core/models/pages.py
index b8b3164ab8a665baf2ba8b15c74c466600179f24..6b5a1bd33bbdbde847bd1d8b31952b91c4e7269c 100644
--- a/src/core/models/pages.py
+++ b/src/core/models/pages.py
@@ -196,14 +196,14 @@ class StaticPageManager(models.Manager):
 
     def get_editable_page(self, user: PlatformUser, conference: Conference, language: str, slug: str, check=False) -> tuple['StaticPage | None', bool]:
         """
-        Request to edit the Static Page with slug `slug` in the context of `user` and `conference` and in the language `langguage`.
+        Request to edit the Static Page with slug `slug` in the context of `user` and `conference` and in the language `language`.
 
         Returns a tuple `(static_page, exists)` with `static_page` the `StaticPage` instance (or `None`) and `exists` a boolean iff the `StaticPage`
         already exists in the database and the user has sufficient permission to create it.
 
         `static_page` will be `None` iff the user is not allowed to edit this Page (even if it does not exist).
         Otherwise, it will be a `StaticPage` instance for the Page.
-        If the Page does not yet exist in the database, the returned `StaticPage` is not stored in the database (`save()` needs to be called by the callee).
+        If the Page does not yet exist in the database, the returned `StaticPage` is not stored in the database (`save()` needs to be called by the caller).
         In this case, `exists` will be `False`.
         """
 
diff --git a/src/hub/settings/base.py b/src/hub/settings/base.py
index c93dee613d7a3f41802203b86f4ff25613e0b52a..ddfc524ffb7179449d24ed8bfc128177a73b91cd 100644
--- a/src/hub/settings/base.py
+++ b/src/hub/settings/base.py
@@ -616,6 +616,8 @@ _handle_hostpattern_list(DEREFERRER_COUNT_ACCESS, env('PLAINUI_DEREFERER_COUNTLI
 STATIC_PAGE_LOCALIZED_BY_DEFAULT = env.bool('STATICPAGES_LOCALIZED_BY_DEFAULT', False)
 # Time after which a non-refreshed static page lock will expire (in seconds)
 STATIC_PAGE_LOCK_TIMEOUT = env.int('STATICPAGES_LOCK_TIMEOUT', 5 * 60)
+# Time after a which a lock will no longer be extended and will therefore expire (in seconds)
+STATIC_PAGE_LOCK_MAX_DURATION = env.int('STATIC_PAGE_LOCK_MAX_DURATION', 30 * 60)
 
 PLAINUI_THEME_SUPPORT = env('PLAINUI_THEME_SUPPORT')
 
diff --git a/src/plainui/tests/test_views.py b/src/plainui/tests/test_views.py
index d04f35c6685bd0e845aad02298de82cb62c105c8..373612288a64e6f8ff33971397c0008aeffa76c6 100644
--- a/src/plainui/tests/test_views.py
+++ b/src/plainui/tests/test_views.py
@@ -667,6 +667,7 @@ class ViewsTest(ViewsTestBase):
         self.assertEqual(resp.context_data['page'], sp)
         self.assertEqual(resp.context_data['page_slug'], sp.slug)
         self.assertEqual(resp.context_data['writeable'], False)
+        self.assertEqual(resp.context_data['lock_id'], '')
         self.assertEqual(resp.context_data['revision'], None)
         self.assertIsInstance(resp.context_data['form'], StaticPageBodyForm)
         self.assertEqual(resp.context_data['form']['title'].value(), r2.title)
@@ -701,6 +702,7 @@ class ViewsTest(ViewsTestBase):
             self.assertEqual(resp.context_data['page'], sp)
             self.assertEqual(resp.context_data['page_slug'], sp.slug)
             self.assertEqual(resp.context_data['writeable'], False)
+            self.assertEqual(resp.context_data['lock_id'], '')
             self.assertEqual(resp.context_data['revision'], None)
             self.assertIsInstance(resp.context_data['form'], StaticPageBodyForm)
             self.assertEqual(resp.context_data['form']['title'].value(), r2.title)
@@ -757,6 +759,7 @@ class ViewsTest(ViewsTestBase):
         self.assertEqual(resp.context_data['page_slug'], 'test-doesnotexist')
         self.assertEqual(resp.context_data['writeable'], True)
         self.assertEqual(resp.context_data['revision'], None)
+        self.assertEqual(resp.context_data['lock_id'], '')  # no lock
         self.assertIsInstance(resp.context_data['form'], StaticPageBodyForm)
         self.assertEqual(resp.context_data['form']['title'].value(), 'test-doesnotexist')
         self.assertEqual(resp.context_data['form']['body'].value(), '')
@@ -1010,7 +1013,7 @@ class ViewsTest(ViewsTestBase):
             lock.refresh_from_db()
             self.assertEqual(lock.timeout, lock_timeout)
 
-    @override_settings(RATELIMIT_ENABLE=False)
+    @override_settings(RATELIMIT_ENABLE=False, STATIC_PAGE_LOCK_MAX_DURATION=60)
     def test_StaticPageLockKeepalive(self):
         user2 = PlatformUser(username='user2')
         user2.save()
@@ -1037,6 +1040,13 @@ class ViewsTest(ViewsTestBase):
         self.assertGreater(lock.timeout, lock_timeout)
         lock_timeout = lock.timeout
 
+        # does not refresh lock after max duration has expired
+        with freeze_time(lock.created_at + timedelta(seconds=61)):
+            resp = self.client.post(reverse('plainui:static_page_refresh_lock'), {'page_slug': sp.slug, 'lock_id': str(lock.pk)})
+        self.assertEqual(resp.status_code, 200)
+        lock.refresh_from_db()
+        self.assertEqual(lock.timeout, lock_timeout)
+
         # does not refresh lock when called for nonexistent page
         resp = self.client.post(reverse('plainui:static_page_refresh_lock'), {'page_slug': 'something_else', 'lock_id': str(lock.pk)})
         self.assertEqual(resp.status_code, 200)
diff --git a/src/plainui/views/static_pages.py b/src/plainui/views/static_pages.py
index 924a27684fd016d4f34d19c0d3edeb4bf52fcf09..da24b7c840664314753379342040dd9ada55615a 100644
--- a/src/plainui/views/static_pages.py
+++ b/src/plainui/views/static_pages.py
@@ -152,7 +152,7 @@ class StaticPageEditView(ConferenceRequiredMixin, TemplateView):
             return redirect(reverse('plainui:static_page', kwargs={'page_slug': page_slug}))
 
         lock = ''
-        if page_exists:
+        if page_exists and writeable:
             lock, created = Lock.objects.select_for_update().get_or_create(
                 content_type=ContentType.objects.get_for_model(StaticPage),
                 object_id=static_page.pk,
@@ -444,6 +444,7 @@ class StaticPageGlobalHistoryView(ConferenceRequiredMixin, TemplateView):
 class StaticPageLockKeepalive(ConferenceRequiredMixin, View):
     def post(self, request):
         LOCK_TIMEOUT = settings.STATIC_PAGE_LOCK_TIMEOUT
+        LOCK_MAX_TIMEOUT = settings.STATIC_PAGE_LOCK_MAX_DURATION
 
         page_slug = request.POST['page_slug']
         lock_id = request.POST['lock_id']
@@ -458,6 +459,7 @@ class StaticPageLockKeepalive(ConferenceRequiredMixin, View):
             content_type=ContentType.objects.get_for_model(StaticPage),
             object_id=static_page.pk,
             lock_holder=self.request.user,
+            created_at__gte=self.now - timedelta(seconds=LOCK_MAX_TIMEOUT),
         ).update(timeout=self.now + timedelta(seconds=LOCK_TIMEOUT))
 
         return HttpResponse('')