birth control in the heat?

i had my birth control with me in my backpack for about an hour in an restaurant without air conditioning. do you think that’s long enough

to make the pack ineffective? it was about 85 degrees and immediately after leaving i got into a slightly air conditioned bus for 2 hours. it wasn’t too hot, but definitely a little higher than room temperature. so basically 3 hours in a temperature higher than room temperature. should i be okay? or should i use a new pack when i get home from vacation? thanks!