INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '69f8b1c8c084719019cfc044eec6e5b9ab4255953d8160d3211ff115d28a24f7', 
    't5e5fG8JoFxDjW5XOBBKvIdokuRMjm3PirpMjr8ZIB0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)