UPDATE vicidial_list set status='' ,title='' ,first_name='' ,middle_initial='' ,last_name='' ,address1='' ,address2='' ,address3='' ,city='' ,state='' ,province='' ,postal_code='' ,country_code='' ,alt_phone='' ,phone_code='' ,email='' ,security_phrase='' ,comments='' ,rank='0' ,owner='' ,vendor_lead_code='' ,phone_number='' ,date_of_birth='0000-00-00' where lead_id='400833'