INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '471859be8475e82b44f5def8ee8803ee4dba0121cc04d10f60ef05134852de77', 
    'QXYPnYJLpyBBgMlziezrDesj9oMvZDK/OtDUqhHiKtc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)