Story

import wixData from 'wix-data';

$w.onReady(function () {
    $w("#dataset1").onReady(() => {
        $w("#dataset1").setFilter(wixData.filter()
            .ge('expiry', new Date())
        )
    })
    setInterval(() => {
        $w("#dataset1").onReady(() => {
            $w("#dataset1").setFilter(wixData.filter()
                .ge('expiry', new Date())
            )
        })
    }, 5000)
})

export function button30_click(event) {
 let date = new Date()
 let ey = date.getFullYear()
 let em = date.getMonth()
 let ed = date.getDate() + 1
 let eh = date.getHours()
 let es = date.getMinutes()
 let expiry = new Date(ey, em, ed, eh, es)
    $w('#dataset1').setFieldValue("expiry", expiry)
 //Add your code for this event here: 
}

Read this article. -especially the parts about titles & descriptions. #cleaninguptheforum

Please edit your post and title, and explain what you are trying to do and what your question is.