INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6983f847e4eab43625e8e775066f6c765a3bd05d07cdc8d85d7f44bac40d48a', 
    'Rv0A0AT0eTSo6a6Qnvj0Z8SacTtQPJcUBSC8vqWTF9o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)