UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/qrxUwK6YaBYO95I1O8NreWDUpgWrYRulw2jfUigvxM=' 
WHERE 
  key_id = '6138f43cb95f1d03ae3346fe7a7b7c3c69a077c4393e5e76bdf98c6e386c5d5b' 
  AND (
    token = '/qrxUwK6YaBYO95I1O8NreWDUpgWrYRulw2jfUigvxM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )