INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3b16c642859b96bbae91991206a28755ecb3ff260107ac688d175f1f05755919', 
    'yIiO6HbHCB0X1us0DdtgSh8rV9avODg3uUfWRYCSo0c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)