UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5lwE7RCe3NHukkWt6+TfTpGqixCnxotSM3uMP9PNpAQ=' 
WHERE 
  key_id = '255f9e9cfefe85ddd131bd90ec7f07bc0435f9aa4f6a8b1c6727ffc5e0964eb5' 
  AND (
    token = '5lwE7RCe3NHukkWt6+TfTpGqixCnxotSM3uMP9PNpAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )