I have the issue from time to time if I go and bulk redeem like 6 months of keys cause I forgot Humble existed, but I usually get an email telling me the key is ready within a day or so.
Not sure they'll end up getting keys for John Wick Hex sadly. We'll see though.
@PerfectDark oops
https://steamcommunity.com/app/2824660/discussions/0/590651049589629945/