UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm9hbxvrweTFKmyJz6kpnYDnASJ4FtpcD3o2s+VKltVg=' 
WHERE 
  key_id = '81abefd541d694491f7c2c04cc89d5ca4581590f4d50706c9c6b76c578e55d3a' 
  AND (
    token = 'm9hbxvrweTFKmyJz6kpnYDnASJ4FtpcD3o2s+VKltVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )