INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '93281d7019b7809afa0ecc84ca8323c789f9cde99d08529086fbf61f43e035db', 
    '1gMNy+rYMBI1Ul9o5xSXXkbmCClhgjjKpZPajPm0ZmM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)