INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ec504b79d02288068f0ebd771839db5335011af3f7a3f7b6df41d1ded7627ac5', 
    'iwct4NYhFhvaA1cnLxsLub1qlBOsId9n3ZPzjP23sEY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)