Hi, I Had Unprotected Sex Wednesday, Took The Plan B

Hi, I had unprotected sex Wednesday, took the plan b pill Thursday and had protected sex Friday. On Friday, the condom broke during sex so my partner and I changed the condom and he came in the condom. I was wondering if the lube in the condom would kill the sperm? Also would I wouldn't be pregnant in the long run? But like again I said he came in the condom after switching it out