If you have no other backticks in the dump, you can try something like 
sub space_subst {
   my $s = shift;
   $s =~ s/ /_/g;
   return $s;
}

s/`(\w+\s+[\w\s]+)`/space_subst($1)/eg;

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In reply to Re: Regexp in mysqldump by moritz
in thread Regexp in mysqldump by brozzis

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