That's Ok. Passpack has a built in grace period to make sure that no one accidentally looses their data because they missed a payment by a few days. Try signing into your account and you should be prompted to renew. If you are not ale to sign into your account, contact us and we'll see if we can help you out.
You should receive email notifications when it's time to renew your account. If you aren't receiving these emails, once you are back into your account, check to make sure that you have set up and confirmed an email address.