INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '347394288300875038e44c3f4da8167c99480ff662959127e2cbe4edbc6a1a92', 
    'lmuxTqFeS2Dgxx2yVKuxNybwmV5TXUlv2Pv6KGcvxug=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)