INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9cb019051f6f99cbf528bb52b5f9de8f2865f4476a52818872870f4ebea16a16', 
    'KVSr9Xj9um8pMvFkSok56kk0xzn5Z5C3GbFG6mXYkzU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)