This site is on beta version please use it at your own risk.
Minimum lock time 48 hours
Tips regarding your transactions:
1- For a quicker transaction time, edit your transaction fee and choose the "Fast" option.
2- If you want to manually cancel a transaction just go in your Metamask Settings / Advanced and Enable Nonce. Then create a new transaction, select a Fast Fee, click Next, and in the next window add the nonce of the transaction you want to cancel which you will find in etherscan details of the transaction.