UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6KlejjKDgbwMSzWHyTVs2G1jL//S6Prq5G6aGmKNa7I=' 
WHERE 
  key_id = 'b4d21a3a3689018c9843ccb5fcc02076d3e9d6fdb5463053ce39339c300b6ef1' 
  AND (
    token = '6KlejjKDgbwMSzWHyTVs2G1jL//S6Prq5G6aGmKNa7I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )