UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCTUWKF8tsweB+tkXk7uFx6b7Dh9v9wiOVViGGrYWt0=' 
WHERE 
  key_id = 'c6456f534aaa2eb8af6b5c69c41eb8e39204ae984bd2c9331eed08be29038df3' 
  AND (
    token = 'MCTUWKF8tsweB+tkXk7uFx6b7Dh9v9wiOVViGGrYWt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )