UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PYPuyOjH9Z4wESHakTt/KrRN+yihDMC/Q2jCay/4MLI=' 
WHERE 
  key_id = '78a9633aec253e89e631179343bbbbf15a87af28908ad14a212509c68b92e421' 
  AND (
    token = 'PYPuyOjH9Z4wESHakTt/KrRN+yihDMC/Q2jCay/4MLI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )