Anonymize Account Emails

Contact[] e = [SELECT Id, Email_Additional__pc, Email_C1__pc, Email_Fb_Ca__pc,
               Email_SAP__pc, PersonEmail FROM Account WHERE
            (Email_Additional__pc != 'kimtestigr@gmail.com' OR
             Email_C1__pc != 'kimtestigr@gmail.com' OR
             Email_Fb_Ca__pc != 'kimtestigr@gmail.com' OR
             Email_SAP__pc != 'kimtestigr@gmail.com') AND
            (Email_Additional__pc != '' OR Email_C1__pc != '' OR
             Email_Fb_Ca__pc != '' OR Email_SAP__pc != '')];
    for (Contact i : e) {
        i.PersonEmail = 'kimtestigr@gmail.com';
        i.Email_C1__pc = 'kimtestigr@gmail.com';
        i.Email_Fb_Ca__pc = 'kimtestigr@gmail.com';
        i.Email_SAP__pc = 'kimtestigr@gmail.com';
        i.Email_Additional__pc = 'kimtestigr@gmail.com';
    }
update e;