PHP AJAX, I want more faster then it - php

Question

I'm making Ajax login form, for 2d security (mobile/mail), and this script is so slow what I made.
After 2 sec it echo 1, on mobile on and fsocietyF on, I need more faster then it, if anyone want think near me.
For more text..
session_start();
include('admin/phppath/d.php');
if($_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') {
if(#isset($_SERVER['HTTP_REFERER']))
{
if($_POST['token'] == $_SESSION['token2']) {
$email = $_POST['email'];
$password = $_POST['password'];
$q = "SELECT * FROM `signup9501` WHERE email = '$email'";
$r = mysqli_query($c,$q);
$row = mysqli_fetch_array($r);
$securityF = $row['securityF'];
$onoff = $row['onoff'];
if($onoff == 'mobile' && $securityF == 'on'){
echo 1;
}else if($onoff == 'email' && $securityF == 'on'){
echo 1;
}
$rowpassword = $row['password'];
$blocked = $row['blocked'];
if (password_verify("$password", $rowpassword) && $blocked != '1') {
$usrid = $row['id'];
$usernum = $row['phone'];
if($onoff == 'off' && $securityF == 'off' || $onoff == 'on' && $securityF == 'on'){
$_SESSION['email'] = $email;
echo 3;
}else if($onoff == 'email' && $securityF == 'on'){
$code = rand(1111,9999);
$upq = "UPDATE `signup9501` SET `emailcode` = '$code' WHERE `signup9501`.`id` = $usrid";
$upr = mysqli_query($c,$upq);
if($upr){
echo 1;
$_SESSION['path'] = $email;
mail("$email", 'Welcome.io 2D security', "Code: $code", null, '-fsupport#prado.io');
}else{
echo 0;
}
}else if($onoff == 'mobile' && $securityF == 'on') {
$code = rand(1111,9999);
$upq = "UPDATE `signup9501` SET `smscode` = '$code' WHERE `signup9501`.`id` = $usrid";
$upr = mysqli_query($c,$upq);
if($upr){
include ( "admin/eng/src/NexmoMessage.php" );
$nexmo_sms = new NexmoMessage('3241fdsg', '5431gdsgs1243252');
$info = $nexmo_sms->sendText( "$usernum", "Prado.io", "SMS Code: $code");
$_SESSION['path'] = $email;
}else{
echo 0;
}
}
} else {
echo 5;
}
}
else {
header('Location: http://prado.io/admin/eng/logout.php');
}
}
else {
header('Location: http://prado.io/admin/eng/logout.php');
}
}
else {
header('Location: http://prado.io/admin/eng/logout.php');
}