INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'bc19de2f800ea45b4bfea28c68d1adaa373480dc033ae39e73ef004ac87cd425', 
    'lJnDmBhqQi69SgrUlOK21bAm/laNqe4rxozjno7gcIg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)