UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MZDp5XPY5R2Jou8/K7Etsv4x4BLATZ1XhIpw8y5DmFM=' 
WHERE 
  key_id = 'b6fc96e5ecd3cfdb0b8516e1702a92683c37ae60c3503ced6cf9614c381d9888' 
  AND (
    token = 'MZDp5XPY5R2Jou8/K7Etsv4x4BLATZ1XhIpw8y5DmFM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )