UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RJ5xpGURssywG3G/i3FdzuT8IzgOUImewVvHlXFyWR0=' 
WHERE 
  key_id = 'e5a179fb3526dc497b06fae4708b6ad481583bf151e7554a18e07cdceaba7cfc' 
  AND (
    token = 'RJ5xpGURssywG3G/i3FdzuT8IzgOUImewVvHlXFyWR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )