insert into select on duplicate key update - php

Question

I'm try to create a database where i save users search.
I want insert term when this term don't exist and adding +1 when exist but all other specific field on database are the same.
Example:
user1 search playstation with price 1 = insert into database
user2 search playstation with price 1 = +1 on the same row generated by user1
user3 search playstation with price 1 and condition new = insert into database a new record
I have write this but don't work:
<?php
$link = mysqli_connect("localhost", "root", "root", "keyword");
// Check connection
if($link === false){
die("ERROR: Could not connect. " . mysqli_connect_error());
}
// attempt insert query execution
$sql = "INSERT INTO keyword (id, search, category, mn, mx, site, itmcond, free, sortorder, type, payp) VALUES ('".$_GET["id"]."', '".$_GET["search"]."', '".$_GET["category"]."', '".$_GET["mn"]."', '".$_GET["mx"]."', '".$_GET["site"]."', '".$_GET["itmcond"]."', '".$_GET["free"]."', '".$_GET["sortorder"]."', '".$_GET["type"]."', '".$_GET["payp"]."')";
if(mysqli_query($link, $sql)){
echo "Records added successfully.";
} else{
echo "ERROR: Could not able to execute $sql. " . mysqli_error($link);
}
// close connection
mysqli_close($link);
?>
Anyone can help me to understand where use INSERT INTO for add search to database, SELECT for find the term previously insered and ON DUPLICATE KEY UPDATE for adding +1 for the same search.
Thanks!

Answer 1

$sql = "INSERT INTO keyword (id, search, category, mn, mx, site, itmcond, free, sortorder, type, payp) VALUES ('".$_GET["id"]."', '".$_GET["search"]."', '".$_GET["category"]."', '".$_GET["mn"]."', '".$_GET["mx"]."', '".$_GET["site"]."', '".$_GET["itmcond"]."', '".$_GET["free"]."', '".$_GET["sortorder"]."', '".$_GET["type"]."', '".$_GET["payp"]."')";
if(mysqli_query($link, $sql)){
echo "Records added successfully.";
//add this
die();
} else{
echo "ERROR: Could not able to execute $sql. " . mysqli_error($link);
}
// close connection
mysqli_close($link);
?>