Help!!!!!

I don't know if im pregnant or not bc me a my friend Aaron (were friends with benefits) we had sex yesterday and he had a condom on and we had sex and busted after like 30mins or 40mins and I was scared so we were driving to Wal-Mart to get that Plan-B thing and he wasn't able to get it bc it was 1 something in the morning and the pharmacist wasn't there and I just need something as of now like the Plan-B one step thing that kills the sperm cells...PLEASE