UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/qhyx9y40txGjx5Zizqb7tNQLVCi9lcJObOaW9AHqGs=' 
WHERE 
  key_id = 'b51bd803bdcf59cebe035998af15a8dcfd58fa3f5fd502a8c594359439a4d379' 
  AND (
    token = '/qhyx9y40txGjx5Zizqb7tNQLVCi9lcJObOaW9AHqGs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )