Or holy crap it’s been a year already?!
Go into your User CP and in the list of options under the Miscellaneous section, click on Paid Subscriptions. You can then see the expiry date of your active subscription
Will it ask me again for a card number or will it go ahead and use the same one as last time? Because if it insists on trying to bill the old one, there could be a problem. 
I’m not sure it stores all that information, you may well have to enter it all again. Just follow the prompts and enter your information.
your humble TubaDiva
Okay, if it asks for the info then all’s well, and if it doesn’t I’ll come back and be a PITA. 