INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9ddfa28f475d760804e6b638e9ea6d471dcfce5c54a8f28c9536ec800feae641', 
    '53tAo2oZQFEswefvWsjFxokDLg4iKqlMRetd2HJEmAk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)