UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VMi4tXg+Z7Jn2RcYp7A74sBV4yQ8hxW33A7ynyPSThk=' 
WHERE 
  key_id = 'a614e230e118b6df609bbdeac546f53b39b416996c13fba0eb7a190e3664e87f' 
  AND (
    token = 'VMi4tXg+Z7Jn2RcYp7A74sBV4yQ8hxW33A7ynyPSThk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )