UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BL+NTqdQWIuvxCXw+S24ktCT+DG3VBAjiEvT0TczVho=' 
WHERE 
  key_id = '874f44082c67b4f49846844fc44ef39b0913587b03024760f011dd2386568ca3' 
  AND (
    token = 'BL+NTqdQWIuvxCXw+S24ktCT+DG3VBAjiEvT0TczVho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )