UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMSGDL12PasCs6snYWFJ2Mhchf5I02zH3emliqwvm4o=' 
WHERE 
  key_id = '975520cac4a6e625f4f103985427400c79f38da5bb56a14c30c73fadc8edc3b5' 
  AND (
    token = 'mMSGDL12PasCs6snYWFJ2Mhchf5I02zH3emliqwvm4o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )