INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b5ca401e0dc549ff6957e49911dbe96794a8cde50053fba88ed1abaaec71eb', 
    'DIJv0WpEj8QxWeqkZiSqgvMzMuiND/nj9c28kj+Jf7U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)