You can eat when you are dead. It doesn't matter if you die for too long, but it will last longer in cold storage. It's not frozen. It doesn't taste good after freezing. If it's refrigerated, it's okay to keep it fresh for one day, but it shouldn't be eaten after two days of frying, but it's not so fresh. As long as it has been in the refrigerator for a few days, you can eat it if you can, and throw it away if you can't.