INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '156a664340396e36d4f99a71a9a0201477a40b6530384ac059e84eda4091380d', 
    '99ZI4Vux2Xv4rZJtEjIZ42+cxmAVesYI7uTnAgZDO4E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)