WLY My Time Rewards review: Unauthorised deductions from my credit card

They have been taking 15 pounds monthly from my bank account since January, which comes to 8 payments, a total of 120 pounds. I have never joined them, have no idea who they are, or how they got my credit card details. How do I get the money back? I have tried to telephone my bank to stop the payments, but I cannot get through to the bank as there is a very long queue on the phone and one is kept waiting forever.

My email address is r.[protected]@uea.ac.uk and my name is Rachel Warren