INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9c36f3153a8203837ff90146f27d1cc1e48700fe84f37e65e19aed6d0adb0e19', 
    'mXqWtLwrDW5leJuQmbfuR95enev29gRdyfCIP1DXWII=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)