UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '81ZXQW47GlIPKPb+NVr8hbO/d5jej7TzbJJ6Sg1LEVU=' 
WHERE 
  key_id = '40788227a2e9315d0e2acd71803fd7b288fda1ddb775500ea19110119ac34f7f' 
  AND (
    token = '81ZXQW47GlIPKPb+NVr8hbO/d5jej7TzbJJ6Sg1LEVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )