diff --git a/app/Jobs/RevalidateUnusableS3StoragesJob.php b/app/Jobs/RevalidateUnusableS3StoragesJob.php
index 2240b457fb..b02d440dea 100644
--- a/app/Jobs/RevalidateUnusableS3StoragesJob.php
+++ b/app/Jobs/RevalidateUnusableS3StoragesJob.php
@@ -26,6 +26,11 @@ class RevalidateUnusableS3StoragesJob implements ShouldBeEncrypted, ShouldBeUniq
 
     public $timeout = 1800;
 
+    /**
+     * Releases the unique lock of a killed worker after one run, instead of after the queue retry_after.
+     */
+    public int $uniqueFor = 1800;
+
     /**
      * Stay well below $timeout, because a single unreachable endpoint can take a while to fail.
      */
diff --git a/tests/Feature/RevalidateUnusableS3StoragesJobUniqueLockTest.php b/tests/Feature/RevalidateUnusableS3StoragesJobUniqueLockTest.php
new file mode 100644
index 0000000000..da93f0c0b6
--- /dev/null
+++ b/tests/Feature/RevalidateUnusableS3StoragesJobUniqueLockTest.php
@@ -0,0 +1,25 @@
+<?php
+
+use App\Jobs\RevalidateUnusableS3StoragesJob;
+use Illuminate\Support\Facades\Queue;
+
+beforeEach(function () {
+    config()->set('cache.default', 'array');
+    Queue::fake();
+});
+
+it('does not queue a second revalidation while the unique lock is held', function () {
+    RevalidateUnusableS3StoragesJob::dispatch();
+    $this->travel(29)->minutes();
+    RevalidateUnusableS3StoragesJob::dispatch();
+
+    Queue::assertPushed(RevalidateUnusableS3StoragesJob::class, 1);
+});
+
+it('queues the revalidation again after a lock left by a killed worker expires', function () {
+    RevalidateUnusableS3StoragesJob::dispatch();
+    $this->travel(31)->minutes();
+    RevalidateUnusableS3StoragesJob::dispatch();
+
+    Queue::assertPushed(RevalidateUnusableS3StoragesJob::class, 2);
+});