INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91c286848db602594ed4577ddaf169ddeb641502c607e6cceb9ade9a1055ffa8', 
    'dmjLNOcD44BLJX6dnwoH01HAGAB7aba1xQEXh938RtI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)