Extend s3 pre-signed url expiry

I have a lambda that generates the S3 presigned download URL and send back the presigned URL. These presigned URLs expire after 12 hours, assuming this is due to the expiry of temporary authenticaton tokens (I have set presign expiry to 7 days). Wondering how I can increase this 12 hours to 24 hours. Ref - https://repost.aws/knowledge-center/presigned-url-s3-bucket-expiration

This is how I'm creating the s3 client in go.

    awsSession := session.Must(
        session.NewSessionWithOptions(
            session.Options{
                Config:             aws.Config{Region: aws.String("us-west-2")},
                AssumeRoleDuration: sessionExpiry,
            },
        ),
    )
    return &s3Client{
        client: s3.New(awsSession),
    }