INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c3e6670cb54e7652a17fbba166b404cb1a49eee9f77e9ac9d2f2961f1d030f31', 
    '3FSY19ZVyysuOhMojRzPJKi60gdTqvqiaNAjZip6t7c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)