INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2161dc36a6c1e20453364b6d2b8f54b0fc27a3c4fa6ce7f364cd7f45715b2e3c', 
    'HcAKbD8Xa2JMy2fdsQKluUOZKlE8LsrvEZ5y00UJbUY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)