asp igen!!!

Set Conn = Server.CreateObject("ADODB.Connection")
    DSN = "DRIVER={Microsoft Access Driver (*.mdb)}; "
    DSN = DSN & "DBQ=" & Server.MapPath("venner.mdb")
    Conn.Open DSN

    strSQL = "Update Venner set (Chk = 'True') Where ((Userid = " & Venid & ") and (Venid = " & usersid & "))"
    Conn.Execute(strSQL)

    Conn.Close
    Set Conn = Nothing

Microsoft OLE DB Provider for ODBC Drivers error '80040e14'

[Microsoft][ODBC Microsoft Access Driver] Syntax error in UPDATE statement.

/beuxbatonsonline/venner.asp, line 7

Hvad er fejlen???