<?php

   $host="127.0.0.1";
   $user="user";
   $pass="pass";
   $database="database";
   $table="table";
   $expire="50"; // expire time in seconds

   function check_valid($t)
   {
       if (time-$t > $expire) return 0; else return 1;
   }

    $db=mysql_connect($host, $user, $pass);
    if(!$db)
         die(mysql_error());
    $db=mysql_select_db($database);
    if(!$db)
         die(mysql_error());

    $nh = $_GET['n'];

    if ( $nh )
    {
        echo "$nh<br>";

        $res=mysql_query("SELECT * FROM $table WHERE nfo_rlsname ='$nh'");

        if(mysql_num_rows($res) > 0)
        {

            $row=mysql_fetch_array($res);
            if ( check_valid($row['unixtime']) == 1 ) {
                echo str_replace("\n", "<br>", $row['nfo_data']);
            }
            else {
                echo "Expired..";
            }
        }
        else
        {
            echo "Nothing found";
        }
    }
    else
    {
        echo "No input";
    }

?>