UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u5zUtn8APrj/vXoSv3e4Yty2FuK8x5PGND8V1r1fd5M=' 
WHERE 
  key_id = '387a249e1dfb4837693cfd28a83eed0727cbdb6ff51fad545de4e38b459538af' 
  AND (
    token = 'u5zUtn8APrj/vXoSv3e4Yty2FuK8x5PGND8V1r1fd5M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )