INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '55f1d2195a2b75cefd57f00abb76954224d9c63933e01e23a9082b0f7cfc8a4a', 
    'vS83yMmwM58Y3ohdw0PMtQrxIgKxibkjltVW7GqHaMY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)