Which wallet are you using? If it's metamask, then it's some how easy.
However, I do hope you are aware that your transaction could take alot longer to get confirmed.

This website should guide you on the Recommended Gas Prices in Gwei - https://ethgasstation.info/index.php
This video can help you alter the gas fee in metamask - https://www.youtube.com/watch?v=zkvXShaLbMc