how can i update a mark data using checkbox

I'm building an e-commerce site. here's what im trying to do.

I'm building a page to view all of the data for the status that has not been confirm which is 0 . and i populate the data using loop and i add a checkbox to update to the status from 0 to 1. question is. how to update the value of the data row from the checkbox? how can i send the key to update the data row?

while($row = mysql_fetch_array($query))
    {  

    $f1 = $row['BuyerName'];
    $f2 = $row['BuyerEmail'];
    $f3 = $row['BuyerAddress'];
    $f4 = $row['TransactionID'];
    $f5 = $row['ItemAmount'];
    $f6 = $row['DateTime'];


  ?>


   <tr>

        <td><?php echo $f1 ?></td>
        <td><?php echo $f2 ?></td>
        <td><?php echo $f3 ?></td>
        <td><?php echo $f4 ?></td>
    <td><?php echo $f5 ?></td>
    <td><?php echo $f6 ?></td>
    <td><?php echo"<a href ='detail.php?TransactionID=$f4'>Butiran</a>";?></td>
    <td>
    <form>
        <input type="checkbox" class="check" name="inputStatus" value="1"> Selesai
    </form>
    </td>


   </tr>


  <?php
    } //while
  ?>

  </table>