INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4d3cefb8d8f9675d5987ad4ec2ff8f25ccfb0e5387509a1fb5ff8c5079788788', 
    'eaK+OBRNMgaEISCb0VXWS0WRfn5DxRFLM3DjN1ItV9k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)