Website hits tracker code in PHP MySQL

<?php 
$con = mysqli_connect("localhost", "root", "", "counter");
// retreive from database
$sql = "Select * from counter";

$result = mysqli_query($con, $sql);
$row = mysqli_fetch_assoc($result);

$id = $row['id'];
$count = $row['count'];

echo '<p>Count # ' . $count .' </p>';
$count = (int)$count;
$count++;
$sqlUp = "update counter set count = '$count'";
mysqli_query($con, $sqlUp);
?>

Database view in PHP Myadmin