INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '20fb7c7bcb45546dbc755330276baa0bd86494f86ee201f283fe243cecba984c', 
    'BpPXAGhhIYPgsAWxNQw2xZc//60wtbCb69t2V88qcFg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)