INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'fa5ced7ea02149751e6ddbfe0db2b6130a613a0b899e47c85c564ee6804bac56', 
    'iuRZe5T44AU+mvweZBtDpdh2xqrYYmOId8S5B7Q44Dc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)