UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6kNC4nRQPDW63J6naZwIi6QGAlwLOLzZJidh5cjiTvY=' 
WHERE 
  key_id = '2ebe536476e1487996907efeaeaba2805f8cad2c15fee26f132c71fe744fa929' 
  AND (
    token = '6kNC4nRQPDW63J6naZwIi6QGAlwLOLzZJidh5cjiTvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )