UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wRTMb9d2o6ldjYncAtG9/S4eBxoH135jc8t/7DaWrCc=' 
WHERE 
  key_id = 'a6f6d66e8887d2a6a4a23205af9ad197fa649ba4e7649b83874e6f4085ebc2ef' 
  AND (
    token = 'wRTMb9d2o6ldjYncAtG9/S4eBxoH135jc8t/7DaWrCc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )