INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2278c5083124e7dacc12908cdce3d8680e14a5f88829702a4565911c8c7c66f3', 
    'eM76w3prsCUDLqp2meVrAjKOtHXMsFKlIfNZA6uabZw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)