UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ujtKMSsGPvIeegyXW7aMvEU7/w1J3JYLhUTUnekJgwE=' 
WHERE 
  key_id = '81dee23502dcc454a91b0b688dd7d2b63f9a56aa949236598e0a1068f936105c' 
  AND (
    token = 'ujtKMSsGPvIeegyXW7aMvEU7/w1J3JYLhUTUnekJgwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )