UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UUVUm0iGoDYLWw+deolnjv+gn47h1ihmGinanIBcFsw=' 
WHERE 
  key_id = '4019ab293e8d7c6f09c6f75de26d39e3c40d5432e155963a76c31be373651943' 
  AND (
    token = 'UUVUm0iGoDYLWw+deolnjv+gn47h1ihmGinanIBcFsw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )