Update app.js

app.js

@@ -238,9 +238,9 @@ app.get('/cleanup', (req, res) => {
         }
     }
 
-    // Also clean old temp keys (older than 10 mins)
+    // Also clean old temp keys (older than 4 mins)
     for (const [key, value] of tempKeys.entries()) {
-        if (now - value.createdAt > (1000 * 60 * 10)) {
+        if (now - value.createdAt > (1000 * 60 * 4)) {
             tempKeys.delete(key);
         }
     }