UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D5UDJhtUGVXwZIHXLJs7xZfnr8d6AxikDIB7ZkECWO0=' 
WHERE 
  key_id = '474e115b9f677c3d6fdefb91a56f793fa4d7b04d9dde1cc071b42400b2611729' 
  AND (
    token = 'D5UDJhtUGVXwZIHXLJs7xZfnr8d6AxikDIB7ZkECWO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )