INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3de5476ab272530307f89b5175956e0504eb2f260b43c5cc2c4aeb1930173ae6', 
    'lk/VCKwXG21PWLOQyZrKt3C0ZhrYbObWyOT9WCRl0FA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)