UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kPO9MWrmZxHviOC9Ih6caLvPoSlHqm0Vy7wEfKNDJX8=' 
WHERE 
  key_id = '1e3cb1c1a6784655dc44643c9148c2c853222f15fb6832059455cb07f80f4beb' 
  AND (
    token = 'kPO9MWrmZxHviOC9Ih6caLvPoSlHqm0Vy7wEfKNDJX8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )