UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0x2MqCzO/7WHuvom1E5FfIXWK2UwO+0WJIALyV6Rt1o=' 
WHERE 
  key_id = '41474e58c3968b26611df2057708ad2cee1f1b80c2ee64fb18df35db56dd89b3' 
  AND (
    token = '0x2MqCzO/7WHuvom1E5FfIXWK2UwO+0WJIALyV6Rt1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )