UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xav9qLpMD0eTbmYFLMLYm5tvNV7nEbGUbFtzIs5omZc=' 
WHERE 
  key_id = 'dff8cf8b2648203270fa3ed2182181d84fb39b57b8078ea13736b9d614f8d38f' 
  AND (
    token = 'xav9qLpMD0eTbmYFLMLYm5tvNV7nEbGUbFtzIs5omZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )