I seem to recall the club saying that the original code would still apply. Having said that,can't find mine
If you activated it at the time then it'll still be active. Just checked mine and it's telling me I already have access to this game.
How can you tell if you have already activated it? Ignore this, I just found an email to say I had bought a match pass on 4th Feb, so it must be this one. Cheers