INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a783be4dd16755853e61ac75fa02665c2e7c2ad2be6765bd0a634074b656e26f', 
    'MQ01IzrcU7HOJfB6AycT8MhsCLj/VKXZC0MnUsbwu8k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)