Please help!

Carrie

The milk I pumped at work today I forgot to put in the fridge when I got home 😩🤦🏻‍♀️. It was in the fridge at work, then put into a cooler (no ice pack though) to bring home. I completely forgot to put it in the fridge until 5 hours later! Do you think it’s okay or do I need to toss it?