title: ERROR When trying to insert into MySQL table with PHP
body: <p>I don't know what's wrong with my syntax, but I'm missing something:</p>
  
  <pre><code>$createrequest = mysql_query("INSERT INTO products_updates_queue (id, kid,
  product_version_id, key, ip) VALUES ('$request_id', '$uid', '$version_id',
  '$request_key', '$request_ip')");
  </code></pre>
  
  <p>I receive this error:</p>
  
  <blockquote>
    <p>"You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'key, ip) VALUES ('j4ctveyd0x62', '1', 'z451ah3', 'hqbyu7bhg8za', '64.134.163.2' at line 2"</p>
  </blockquote>
  
  <p>Can anyone see what I am missing?</p>