INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4a9b4b4ef2bbbf295527937c989bff72fa8a1ece0175416b53a4be76e360481b', 
    'XEvQdKm7IE1kELVZZxVW1dpNTJbvDzYGVU8NVcJnVqo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)