UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NOShAus/9enLHXQHmHAkExOqW5150tTKRYfzXn/4P04=' 
WHERE 
  key_id = '1b6bb773080e682f0985eac9c39b114f76c655fd75cc583eeae816d4881f3824' 
  AND (
    token = 'NOShAus/9enLHXQHmHAkExOqW5150tTKRYfzXn/4P04=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )