INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '565884cf7a732b7aaa1220003d104f152a45566bc9f7cc957316e78b470049bc', 
    'C5DaTFlNxc1YxI4axj6Mu733IPpd2YIzBidgwxrFVks=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)