UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oa/HVXercJ8TuD2adszmI8Rm86Msec9qtzxQAANSEoU=' 
WHERE 
  key_id = 'cf137f0c9517353e87fa58e767e6ce5382ed465b1e5e113e844fa5d3f9c2fbac' 
  AND (
    token = 'oa/HVXercJ8TuD2adszmI8Rm86Msec9qtzxQAANSEoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )