Yay I got my refund
and also they answered my other email
This is the reply regarding the register 4 vouchers and locks for 30 minutes
Hello Sammy,
Thank you for contacting Skype Support.
We are aware of this problem and are working hard on fixing it has soon as possible, we are currently experiencing difficulties processing some orders and hope to restore full service in the next week. We apologize for the inconvenience that this may cause
Regards,
Anouar
Skype Support