UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pV43CTtodwH6q0HY2q3QgW718SoYwKbjUyTVtpNH8bk=' 
WHERE 
  key_id = '51d775242bba99bc46f3254c920973df45e1a8372841f8e17749c53e5eb68193' 
  AND (
    token = 'pV43CTtodwH6q0HY2q3QgW718SoYwKbjUyTVtpNH8bk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029