UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Lof9BJ5Wcj3f2XvClJuXu3mwtSuzn4AMViK0XqSGmo=' 
WHERE 
  key_id = '8ac38f7d1f68371b2b795677e6334a45df07abc34e14da18ec04430da73ed439' 
  AND (
    token = '4Lof9BJ5Wcj3f2XvClJuXu3mwtSuzn4AMViK0XqSGmo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )