For some suggestion for me, contact their support again to inquire about the delay. It's essential to maintain open communication with the exchange to resolve the issue. likelihood of a positive outcome.
If they delayed in responding to the initial message sent to the support, what makes you think they will see your second inquiry in time before looking on top the first one?
The truth is such platforms with so many customers will always have their customer service tied up solving different issues, thus the long waiting time. If one is not ready to wait for so long, then they should abandon such platforms and use less popular ones whether customer support will be quicker in case of any issue.