INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ac21d7ab1be041ea8d71f1bbbbe01e9f97013e8719a54343b237020fc10b9159', 
    'UwwRWhWPozvQ5MLNK2SsOZLhO66o1IxsbZezT8zQrMY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)