PHP data will not enter database : Hello for some reason  query 3 and query 4 will throw out this error and I cannot see why it is doing this the query syntax seems fine:

Couldn't enter data: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'WHERE job_id = '35'' at line 1

table structure:
https://imgur.com/a/ioOKZ

**actionpage7:**

    <?php
     
    session_start();
    require 'config.php';
    
    
    $id = $_SESSION['login_user'];
    
    $bidid    = $_POST['bid_id'];
    $jobid    = $_POST['job_id'];
    $bidder_id = $_POST['bidder_id'];
    $bid_amount = $_POST['bid_amount'];
    
    $query   = " UPDATE bid SET status = '1' WHERE  bid_id = '$bidid'";
    $success = $conn->query($query);
     
    $query2   = " UPDATE job SET accepted = '1' WHERE  job_id = '$jobid'";
    $success = $conn->query($query2);
    
    $query3   = "INSERT into job (accepted_bidder) VALUES('" . $bidder_id . "') WHERE  job_id = '$jobid'";
    $success = $conn->query($query3);
    
    $query4   = "INSERT into job (accepted_bid) VALUES('" . $bid_amount . "') WHERE job_id = '$jobid'";
    $success = $conn->query($query4);
    
    if (!$success) {
        die("Couldn't enter data: ".$conn->error);
     
    }
     
    echo "Thank You For Contacting Us <br>";
     header("location: myjobs.php");
    $conn->close();
     
    ?>