UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u9mRxAT34giGzTPdTLfIDT8XE9dzaKsYAnSe7RwPTtU=' 
WHERE 
  key_id = '881f9e3355d5d7da21ecf63f923bb9614d709cb8410f495b53642a3d0e028985' 
  AND (
    token = 'u9mRxAT34giGzTPdTLfIDT8XE9dzaKsYAnSe7RwPTtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )