UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'smhic7r3TXh5GpaYgc4hBxCu5josFmyASzwHD4mOXa0=' 
WHERE 
  key_id = '6862686ccb70751a65f8952061b57bbb84ee14eb88199d95e339cc3a8c108589' 
  AND (
    token = 'smhic7r3TXh5GpaYgc4hBxCu5josFmyASzwHD4mOXa0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )