INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7b6b441e6a09db0372e7bd3871cdcdba095d5e37018a956405353d3bcc8c3608', 
    'LQARx5Zmy1N9JxmAJbIVhUTCb4CGic7v87H//37vJhI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)