UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n0XbT18iS+f/1fNzqeMMkiw6J0raGO29CPlefydF2YY=' 
WHERE 
  key_id = '95c2b8aa53683acc6c44e7c47be3a226025799694db48016d69d46d911a23f6f' 
  AND (
    token = 'n0XbT18iS+f/1fNzqeMMkiw6J0raGO29CPlefydF2YY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )