UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MdLuA9scwHfUyUry38C/GKf6YXG50igfogUbJBu8vA=' 
WHERE 
  key_id = '8c4febe4c453fba1c876d899f26ae599101d71993f80fe6973075c14919a4bfd' 
  AND (
    token = '6MdLuA9scwHfUyUry38C/GKf6YXG50igfogUbJBu8vA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )