INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ad2ff34eaee881b506b1b487a29a39885add64ac6c0485917f58d2e5ea56b8bc', 
    'DOHLuD9I0xCbQeFrn0lqLsz638nBYILmMvShEbDVkjY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)