UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MslZZEpPlrDqqxnExOrxD8TCoeQmcjYWVVvj/to4zCU=' 
WHERE 
  key_id = 'b8fef9f6da1512b01c0639b8c56f22483628ec568b0193b4198064e3fbbba968' 
  AND (
    token = 'MslZZEpPlrDqqxnExOrxD8TCoeQmcjYWVVvj/to4zCU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )