INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '518d2c013be7bbc5b71f583e2c410dc47fd15958ef0426da973b96cd7a4c332f', 
    'dSmR8MpIoMZDLs8SC/K89LNFwGtzQAJfC07zuS0W6NY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)