INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '398ca98e091c5c1279f4a8f08ba5d7411af3ca12a5018089c2e922d936ef1998', 
    'p8LC10SO6pt7FwjrQQO8q9YgVfhgmxtSLB18Xl1OF20=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)