UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rEx7Sl5Ghj4hAB0jZlcIYktbDEdm629MktWvLvj21xU=' 
WHERE 
  key_id = 'bce946e98c361245754af0f6f3d63fc5953b74c20400c86818884b61c2c271a9' 
  AND (
    token = 'rEx7Sl5Ghj4hAB0jZlcIYktbDEdm629MktWvLvj21xU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )