INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1b0849257633b9d8ee1eda09f684eca701f5547a3c6c43cbfeda613a474b9016', 
    'D8buZDFllm/+qjq0tyLqETmzCZzjRl5VcvZqJWTBBso=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)