UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '28ZWcq+VVBiKuztqzRszKLHLqFr3tIz1jfaVvW4FxBA=' 
WHERE 
  key_id = '148e1f558cda3674a9d48d188973b34fd17d2a7397ad4feb7ab0921f35e0c817' 
  AND (
    token = '28ZWcq+VVBiKuztqzRszKLHLqFr3tIz1jfaVvW4FxBA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )