INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c891d72cfef702c97781ddf0a019b6dcdc169b6f114ef343121d073071e09909', 
    'QqGXnb5KwMwUxpay5LfErLj8NjKLOUSuh5FW86nbcL4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)