INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2fff1539aa6e85718d29d63e8a9007881fd293464bef583b65b8812f26c9742e', 
    'YQxzUUwPXUSUMub4vhEwa5VZ1ZqeCjA6KFuoROV00hM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)