INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d4cdf26ab141ab2b69aa57642cd2f7560f73c6519acc6d027ddf8a882ae58c', 
    '5ET0dQMAJ1eSnsaovXBezS1mclPXYelXuN7onn2h2Do=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)