INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f8c4acb1febd15cd6ed0d5259226022f552d387b03681c30f3ffe19cacc0ae6c', 
    '8z0jhUd2Clam7uXR3qG78tATIDyh7iuypiqS8C918nU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)