INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1e5492ae4fa5eefc09f12ec12cada11a1aad8af5091a42d0e2ddb20ea02def3a', 
    'qGwXNXna0XxsFIj8stDvWRXetUG/zMAnCq4LgddSA34=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00066

Result

int(1)