INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'df30a998b8503ed85c5e32889170e04fbb7cc52a3adb112db7be7661ad8f15dc', 
    'LO1nCCXxll0hhWi5hbZdpJj5HiDLb3cJlCI2u/NUr04=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)