UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c64wgZhWD4v4iA2iwfq89vT6wdfTLxH8ykYyzkIjIPg=' 
WHERE 
  key_id = '7d15de53fe5c96095ac15f1996bf377d881444c639890ea6aa946d020f772754' 
  AND (
    token = 'c64wgZhWD4v4iA2iwfq89vT6wdfTLxH8ykYyzkIjIPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )