Processing time for Deposit:
For security reasons, token deposit require a certain number of block confirmations to be received on its blockchain before the funds can be credited to your account.
The block confirmation for each token vary depending on its blockchain and each block interval is an average of 10 minutes but not every block interval is exactly 10 minutes depending on the total hash power so it might be longer or shorter than 10 minutes.
Therefore, it can take from 10 minutes to 4-6 hours for transactions to be confirmed on the blockchain, (depending on that specific blockchain for the token you're sending) congestion at the time you initiate your transaction.
Processing time for Withdrawal
Generally withdrawals should be completed within 30-45 minutes but however please expect slower withdrawals than usual if in the event that manual processing is required due to large or unusual withdrawals.