UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8NOmjUiuoKF2pEtAyNzrHzxNjaLpV6IXydfQt8XgaP8=' 
WHERE 
  key_id = '6d81a2af362a917fa82b8cef3c0b7c8891b0641035e8f9a07d45d9b6e0e588f1' 
  AND (
    token = '8NOmjUiuoKF2pEtAyNzrHzxNjaLpV6IXydfQt8XgaP8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )