UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0s/1N6SLWcaoxFNBtA65bTOHH77QaK+pAor1dlT2dKQ=' 
WHERE 
  key_id = '3c615997ed803e21fb17f9e4976e3d674bd4285aa2e5d3bfb3f976074c6d1e13' 
  AND (
    token = '0s/1N6SLWcaoxFNBtA65bTOHH77QaK+pAor1dlT2dKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )