UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lnHBRxyy/FRusQq81GRd6jD9pMWavJ2VFgn9mI6kNxI=' 
WHERE 
  key_id = '83c1cac546ab4d37670c3c84f6773464e9a58862e7d29b8f9de8dfd31065d34e' 
  AND (
    token = 'lnHBRxyy/FRusQq81GRd6jD9pMWavJ2VFgn9mI6kNxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )