It's very uncommon, but there might be a slight delay in the tokens showing up. In such cases don't panic and DO NOT buy again. The tokens will show up in your account shortly. This problem is more frequent when the payment is carried out with Bitcoins and Cryptocurrency.
If the problem still persists for a longer period of time, do not hesitate to contact our 24/7 Customer Support team at: https://stripchat.com/support.