INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '434e6803fd7c1e0ae4dba62bb333fc98c0e056774dc2425585f10ce661606755', 
    'tRvsBnhZ4GFKcOjag3V+apyCqu+NEF5VzT5Q8hL2SEg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)