$a = array('count'=>248217,
     'sum' => 22049506.8200,
     'time' => '1202788231',
     'name' => "Deborah Barber Apo AP^Michael Donnelly Sierra Vista AZ^Jess Prewitt Oneonta NY^Christine Robertson Albuquerque NM");

foreach($a as $k=>$v) {
    $fieldspec .= mysql_escape_string($k).',';
    if (is_string($v)) {
        $valuespec .= "'".mysql_escape_string($v)."',";
    } else {
        $valuespec .= mysql_escape_string($v).',';
    }
}

$fieldspec = rtrim($fieldspec, ',');
$valuespec = rtrim($valuespec, ',');

$query_string = "INSERT INTO $TABLENAME ($fieldspec) VALUES ($valuespec)";

var_dump($query_string);