INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8aa551ffc778fa1fb24f4a605ca87b146d8f49d4a15e4a10fbc4af8e664c5810', 
    'aFsHdoytkUDKQYfh6z82WOqNeIBj7Caq5IcorrC34ug=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)