UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tKBNvN8SSLyew6+ZbsCDdgt/2ofiQIBYiHQPAud+37k=' 
WHERE 
  key_id = '83b60630e08da52f96b3dcb1ad93506590ae0f861417f934084279e76cba7d6c' 
  AND (
    token = 'tKBNvN8SSLyew6+ZbsCDdgt/2ofiQIBYiHQPAud+37k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )