UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/TCuDwm7e0WOqsYoMlvWUqwosjCAY8zNWIDERuUjgSM=' 
WHERE 
  key_id = '6d4a98d76d79c2e09f6723eb58ca61cd2c8f8ac727e0866a1feb38a76f49e29a' 
  AND (
    token = '/TCuDwm7e0WOqsYoMlvWUqwosjCAY8zNWIDERuUjgSM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )