How to write a request, I can not figure it out?

Question

MySQL

Tell me please, I can’t figure it out
, for example:
id date param
1 0 0
2 0 1
3 03,10,218 1
if param=1 and date =0 then enable recording in response
if param=1 date<>0 then enable recording in response if only date equal today!!!
how to do it????

Answer 1

?WHERE param = 1 AND (date = 0 OR date = 'сегодня')

Answer 2

So ?

SELECT *
  FROM tbl_tmpzzz
 where (zparam = 1 and zdate is null or
       zparam = 1 and zdate = trunc(sysdate))