UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kpwJSzzu9hOIq1xYgb0ABSNClnM6c+n9OoYnJRAzDME=' 
WHERE 
  key_id = 'c1f731068ed6204e91d36a18e7711a9bc1aca006d49e41927545ad686d581a36' 
  AND (
    token = 'kpwJSzzu9hOIq1xYgb0ABSNClnM6c+n9OoYnJRAzDME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )