Kare Kare will last in the fridge for up to 5 days before it goes bad.
To extend the refrigerated life of the Kare Kare don't cover the pan and allow the Kare Kare to get cold before refrigerating it.
Then the Kare Kare will last for up to 5 days in the fridge.
If you want to keep the Kare Kare longer than 5 days then it should be put in a freezer safe container and then frozen.
The freezer will extend the life of the Kare Kare to around 6 months to a year but it's best to eat the Kare Kare up within a few months so it retains it's freshness.