UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0vN/8bZRmNtmLrS+jZz0vzbemk4SN3rUew+/2rNoDrY=' 
WHERE 
  key_id = '3a6ea8a21715f5aa1ec4015141be0bb60d8d419a90638accc7b6125bb7d575d2' 
  AND (
    token = '0vN/8bZRmNtmLrS+jZz0vzbemk4SN3rUew+/2rNoDrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )