INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b31591e3fcd4d32e74b379dd42f1604f842eacb9621330a7438d78665057f276', 
    'MLgIMDYftXNm6nrii3WIcTwFAAF2yELfTZMMeYfe/wA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00051

Result

int(1)