UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rR+TB4jdNRpzYb1TudmRFMLQL/3pPKSaZrb6pA90ym4=' 
WHERE 
  key_id = 'af8542760e3b67d2de6600386d8d58c23e25f15adb25973ec41190914d1b3c13' 
  AND (
    token = 'rR+TB4jdNRpzYb1TudmRFMLQL/3pPKSaZrb6pA90ym4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )