UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '688HJU3ra6FgMOUmVeanhZLMQ7k3qEazcPN2UWPEq9U=' 
WHERE 
  key_id = 'a6e95ca30cdbd4218cc7c0ad77dd561c684a800e553671bdf6cc5de69f363ec8' 
  AND (
    token = '688HJU3ra6FgMOUmVeanhZLMQ7k3qEazcPN2UWPEq9U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )