UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U++4Gk8rwGIuzRC9vyqXLisUThMNcgEgeukUopasjWA=' 
WHERE 
  key_id = '79cd98d86d43603655f5237849a17414573b2f98b159282f922f986771410b9f' 
  AND (
    token = 'U++4Gk8rwGIuzRC9vyqXLisUThMNcgEgeukUopasjWA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )