Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_54 (grid INTEGER, laps VARCHAR, rider VARCHAR)

### Question ###
Can you tell me the sum of Grid that has the Laps of 30, and the Rider of toni elias?

### Accurate SQL ###

SELECT SUM(grid) FROM table_name_54 WHERE laps = 30 AND rider = "toni elias"