INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1e1fb75fbddd55bf686550668f28022f66f5417767c021be29db9ffe953b49ae', 
    '2OttkT9jlTi9orlSoFaBiXjbSCyY+vLn7k1guG0j9Hk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)