A first time conviction under Mo. Rev. Stat. § 311.325 for purchase or possession of alcohol while under 21 years old may be expunged one year after the petitioner turns 21, provided the petitioner has not been convicted of any other alcohol-related offenses, has not had any alcohol-related enforcement contacts as defined in section 302.525, and is not licensed as a commercial motor vehicle driver. Mo. Rev. Stat. § 311.326.