INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd1fa0318b15d16454554e28c4d079202474b548a8d322e91208d839fa93972e9', 
    'j42cyqAIwbZdfQnZ9UKm63h3JUfGaYlca2Wj1Kx90AE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)