INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6f81b57e9567df36f1d7cd4bf14cd489a27148e4dadc5ab68291a655315373b6', 
    '6apc7RzaRJpf8lgoy8uYe0m1eGfjCgqJNEZMOwDFEkI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)