UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '98QJP1S7xOQSupGqRPJzgURLB75F0FzIJLi/0beR3ws=' 
WHERE 
  key_id = '46042192f11abd45ff5d3e391ff28af0619f5ea5849c173a63e6e0bc7ee41cb7' 
  AND (
    token = '98QJP1S7xOQSupGqRPJzgURLB75F0FzIJLi/0beR3ws=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )