Additionally, check if filesize is 0 before deleting the lock files.

Author: hostep

lib/internal/Magento/Framework/Lock/Backend/FileLock.php

@@ -106,7 +106,7 @@ public function lock(string $name, int $timeout = -1): bool
     }
 
     /**
-     * Find lock files that haven't been touched in the last 24 hours and are unlocked, and delete those
+     * Find lock files that haven't been touched in the last 24 hours, are 0 bytes and are unlocked, then delete those
      */
     public function cleanupOldLocks(): int
     {
@@ -128,6 +128,11 @@ public function cleanupOldLocks(): int
                 continue;
             }
 
+            $filesize = filesize($lockFile);
+            if ($filesize !== 0) {
+                continue;
+            }
+
             if ($this->isLocked(basename($lockFile))) {
                 continue;
             }