UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6L/Oba5CQ9tg8Sg8BdXRES71ql278af36iriBRbd/5Y=' 
WHERE 
  key_id = '81c35fedd3ccb307fa6d63f3c9e2bc99888aa7bca186776a5e6ae18abab3d1c8' 
  AND (
    token = '6L/Oba5CQ9tg8Sg8BdXRES71ql278af36iriBRbd/5Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )