INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a51c00c9acc6b6993b061db1bcfe3c15118b73d01b2deb97b56f8fe9828f4f3b', 
    '704YXdIUZrpCps9pBPO8slWgnHGZ2psGnw5D7K5+xGw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)