UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W3AAHngWV1avdbbXN1SGcDH++88eUPuGNmwnnWxTzKQ=' 
WHERE 
  key_id = '791452d56a6debfc61ee808cf9bed908c53387b5b72c323adfb9e77b41a87b97' 
  AND (
    token = 'W3AAHngWV1avdbbXN1SGcDH++88eUPuGNmwnnWxTzKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )