INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2fcf3c1a218439fba4d5103958289d8fbbe9872975e674c801c50e977b14f0fc', 
    'vnca9bOGI7FIfW9RgigYZn7VVBPsuxzQZntlek976E8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)