UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uNKgpvYNW7BkPxkpi7Y8UlipdYjnnUh0xkvAtsCQiik=' 
WHERE 
  key_id = '4661c8b35bed8f5ae6a3926fbcc800a680939144909b505710e5432c6febd4b2' 
  AND (
    token = 'uNKgpvYNW7BkPxkpi7Y8UlipdYjnnUh0xkvAtsCQiik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )