INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4492355ca7b0973a6e91aec5020a5852c30f7de7762c481bfd17df1396ce4778', 
    'qUbY7GQXL1NUf+wEjC2bBYFB9XDqYRGHFtnw6w1AfDg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)