UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qNZXkwS2vQmuOUz33o2YydGmEBpQ4pGlYeF5sFToXVc=' 
WHERE 
  key_id = 'c4daf7cfecf1677a27152a71996bc99ff6862930395dd4bff249f01fe12a5653' 
  AND (
    token = 'qNZXkwS2vQmuOUz33o2YydGmEBpQ4pGlYeF5sFToXVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )