INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dc9b01aca5b754ccfd8ed5f84536268dece2b23fb7210fac45343768acf829e9', 
    '6xdR47hZsonCPZ3rWSbe6Tcx0vEwaJEvgUaBJwNpqAk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)