UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KnNYrZU4Usx77g1dtokcZUtTs5U6iBp77aaqwdGHM2c=' 
WHERE 
  key_id = '1503b1421598205a2651a3d4b555de830468cf2238cef7134fc79f007683a321' 
  AND (
    token = 'KnNYrZU4Usx77g1dtokcZUtTs5U6iBp77aaqwdGHM2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )