UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DXVLwlMiuagTyv9AnnqNJ4BhdPAY189QmPhPNKDjHAk=' 
WHERE 
  key_id = '831d6c3d7c0650b718d5e8d194089a6bb26ace016b4b9c2df02aab0c33281f23' 
  AND (
    token = 'DXVLwlMiuagTyv9AnnqNJ4BhdPAY189QmPhPNKDjHAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )