UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ASNDKgS/wGbqyr5md6U08xybgFEbCd0htFoQz6CcAss=' 
WHERE 
  key_id = '275616aeb4fc0f5ea7b4bae7181faef78ac5cc6f80aa1134bf73778ecea896da' 
  AND (
    token = 'ASNDKgS/wGbqyr5md6U08xybgFEbCd0htFoQz6CcAss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )