Image url still comes with default query strings of q and w even if set with the builder

[SaidiAli]

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Describe the bug

When i return the url of an image asset, it comes with default transformation queries of q for quality set to 75 and w for width set to 640. i want to have maximum quality and the default width. When i set these parameters using the urlBuilder, the url returned has both of the above parameters duplicated:
https://cdn.sanity.io/images/yncg0snw/production/74e02c91401ae000160f4497161b3c959dc80e01-777x472.jpg?q=100?w=640&q=75

This leads to an error: {"statusCode":400,"error":"Bad Request","message":"Parameter \"q\" must be a valid integer"}

Expected behavior

I expected the quality query string to be replaced with set value but instead both of them are returned

Which versions of Sanity are you using?

@sanity/cli (global) 3.21.0 (latest: 3.21.3)

What operating system are you using?

MacOs Silicon chip

Which versions of Node.js / npm are you running?

10.2.3
v21.2.0