title: Discord js and mysql
body: <p>I try insert to database:
  con.query(<code>UPDATE ${'s' + message.guild.id} SET xp = ${xp}, username = ${message.author.username} WHERE userID = ${message.author.id}</code>);</p>
  
  <p>but
  <strong>Error: ER_BAD_FIELD_ERROR: Unknown column 'Steve123' in 'field list'</strong>
  Only username doesnt work! Please help.</p>
  
  <p>Mysql:
  username - varchar(50) - latin1_swedish_ci</p>