UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lssmA6MobfCQnbCH4qRisq/OL100/kDX68GK6wS+L1U=' 
WHERE 
  key_id = '2755e9735f47c727c4a258df46a76c5881bbb15f7321cb4b64606c5ff49e18f0' 
  AND (
    token = 'lssmA6MobfCQnbCH4qRisq/OL100/kDX68GK6wS+L1U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )