UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b/r6ndjzHd9VNPxDl3iu8Py8xPX/5bdPHKbtPPGc2vM=' 
WHERE 
  key_id = 'a2af9975636633703de4553cce5ddde158829059a092ecbea602ae6b5930f236' 
  AND (
    token = 'b/r6ndjzHd9VNPxDl3iu8Py8xPX/5bdPHKbtPPGc2vM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )