Originally Posted by
SonicStar817
Then it was probably sent in error. Card expiry dates update on the 10th of the month (mine updated yesterday morning) if you renewed successfully.
Quite possibly the most likely explanation, but the BA Hamster does seem to be a little tired, I only got the email (for a valid renewal) today, the 11th - and it took a fair bit of coercing the app to actually reflect that.
Not to get the OP's hopes up, but there's still a chance!