UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Eh91HOrfve+aGuZlc8EmW6uxzDNjzD0BnWToGrClv6Y=' 
WHERE 
  key_id = 'cc35b1a5f302fc74f5a5d7d25eaff1612bf0ec6cc8ad0d293c2e206171408ee5' 
  AND (
    token = 'Eh91HOrfve+aGuZlc8EmW6uxzDNjzD0BnWToGrClv6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )