INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50b2548c40c59423a1fd28b0221bbc009236df6029db4b02bd1516f47f34c3b8', 
    '5AWqWQ812EvXER2Iw/dBtZsXd5tzcFssQF6eZAYbK48=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)