UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PlSVdtJUAJjqLtIPN9eWahMZmoCJmqVaIGv1M3hciHw=' 
WHERE 
  key_id = '6499f92c326a2f582eaef5b102ce9d940377b7e0899945df21653728578719ff' 
  AND (
    token = 'PlSVdtJUAJjqLtIPN9eWahMZmoCJmqVaIGv1M3hciHw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )