INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a51b648230721a21cef72b72e3c6fe8b9ad559c221790956a02abea9f41ed08b', 
    'VvpeTZf8nhti/bt6gjosrnpofX2qGvGDeBOWXh4VHA0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)