update user in database php mysql

<?php

$link = mysqli_connect("HOST", "USERNAME", "PASSWORD", "DATABASE");

if(mysqli_connect_error()){
 die("There was an error connecting to the database.");
}



  //$query = "INSERT INTO users (`email`, `password`) VALUES('tommy@gmail.com', 'pass')";

  // $query = "UPDATE `users` SET email = 'person@gmail.com' WHERE id = 1 LIMIT 1";

  $query = "UPDATE `users` SET password = 'newPass' WHERE email = 'person@gmail.com' LIMIT 1";

  mysqli_query($link, $query);
  
  ?>