UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MuUbywzfUCcn2UQrjPhtWz8qtSuQtWtNJ97V7/jYpdw=' 
WHERE 
  key_id = '81487c9e8c2cd2fdf23dc349ccb40b17b16e8c5205a88f9420c4290cf149f862' 
  AND (
    token = 'MuUbywzfUCcn2UQrjPhtWz8qtSuQtWtNJ97V7/jYpdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )