INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d74c89e0381ef7db6caa23457955d91364af592a52c9b163fd3e9d8deea9166', 
    'g7r3Hk4JMZfiZ2icZuHA0xItreU6/Ihs+kbmCqpOkII=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)