UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C8R2PoRP0GADYq/BO13RLMkozBVERXJd5OdqiDNaOeM=' 
WHERE 
  key_id = '915b4547a0822515dd8daefc46e970c7e0097ade17af254074e67ff536ee9178' 
  AND (
    token = 'C8R2PoRP0GADYq/BO13RLMkozBVERXJd5OdqiDNaOeM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )