INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '52def43cbbe3c955833209e1b73c0410583ad61b843ab4e1504455ee8b246ec3', 
    '8udmXhgkpZA8SWvW0ziSPwnNqSnhPihptB1n7PrJ7fk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)