WP_Query Date Query After Minus Hour AND minus minutes

Here’s one way translating it to minutes only:

$args = [ 
    'date_query' => [
        'after'     => '270 minutes ago', // <-- 4 hours and 30 minutes ago
        'inclusive' => true
    ] 
];

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)