UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iXbBB7RyG3WsV5U9wOccT4nZ2ohGRlQQX536LoTXWZY=' 
WHERE 
  key_id = '41d84e8e9c93b84a2dac2fa74f030a9e37cc31c92ad4f1368a757c6b07aeb7b7' 
  AND (
    token = 'iXbBB7RyG3WsV5U9wOccT4nZ2ohGRlQQX536LoTXWZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )