UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MffuwJU6ewdlYC+Vd18XpwLFXTPYH5Hus0cjVTN6Rlo=' 
WHERE 
  key_id = '03a699a255d3ef3ee6b594a57a1f9d27e2d2c494be3f6b9a51bd1ee5dd5bb375' 
  AND (
    token = 'MffuwJU6ewdlYC+Vd18XpwLFXTPYH5Hus0cjVTN6Rlo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )