更新记录

use fize\db\Db;

$config = [
        'type'   => 'mysql',
        'mode'   => 'pdo',
        'config' => [
                'host'     => 'localhost',
                'user'     => 'root',
                'password' => '123456',
                'dbname'   => 'gm_test'
        ]
];

new Db($config);

$data = [
        'name' => '梁燕萍',
        'sex'  => ['`sex` + 110']  //原样SQL语句
];
$result = Db::table('user')->where(['id' => 75])->update($data);
var_dump($result);
var_dump(Db::getLastSql(true));