UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nuy2Hea5UAvZzNXwAlsKetYYs9r5eYt9dtMvNANVHn0=' 
WHERE 
  key_id = '9bcd8c7d68612903e60d5074f681370338e5cb95d5c0510243297da58a190b44' 
  AND (
    token = 'nuy2Hea5UAvZzNXwAlsKetYYs9r5eYt9dtMvNANVHn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )