INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '68357b612ecc8a1743570f0fb00a85b51b1572a93eb05e6d1272c36b5c31c387', 
    'QaWxOYBqbQ8uNj5DY+cG1dpqnz1luID6ICoaYLcIfJo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)