INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '53f81bd6042d3cd39ed57ce044d4ffd2ea1fdb340261d85086653aaed44eebc5', 
    'z6aDf76iCACrf/gpPM0i5Ut42e85MlVc0MzYubkVCZo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)