UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q2g3A3EY4Rgw0sJ+m3JKMFyr3a2DS3IbSoQ+oolIBcU=' 
WHERE 
  key_id = '831839d5ce8284d35654cc1a06bb54c6ce32778bd04788da284334b6a1abda2f' 
  AND (
    token = 'q2g3A3EY4Rgw0sJ+m3JKMFyr3a2DS3IbSoQ+oolIBcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )