INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9ea9a3944178e4dc6d20d3eb9fa52196d336dae4fe6d210508da659befa731af', 
    'P7UDCyKD8SXMskz4Xbd5WEfkadnRZsVzHy3slQB+jE0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)