Spot the PHP mySQL syntax error -

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I get an error on line 50 that an unexpected ';' In my code 

  if (mysql_num_rows ($ result) & gt; {mysqli_query ($ con, "UPDATE COOL_USERS SET COUNT = COUNT + 1 WHERE USERNAME = '" .mysql_real_escape_string ($ user) "." }   
 The line is WHERE USERNAME ... line can anyone see it?   
 
 {Mysqli_query ($ con, "UPDATE COOL_USERS SET COUNT = COUNT + 1 WHERE USERNAME = '" .mysql_real_escape_string ($ user). "'"); }

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