INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6ce161933907628f3c2326771aad391018133d43ed5269bcb7a6a51e27e8fb0e', 
    'e0DiiNjyqTMzCBYIzYXu3OCPPi2KhFW1/33juE0mECk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)