UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vv9IYaXcQQ33YgBaKo3TXNk5PQ6WfcU1dSWDnjrndWg=' 
WHERE 
  key_id = 'c6496921a24e353037affa429e65a5fefe54a49d9204056294f3237c90581586' 
  AND (
    token = 'Vv9IYaXcQQ33YgBaKo3TXNk5PQ6WfcU1dSWDnjrndWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )