INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '755d7c43392061a6263daa57a781503f0d94b4addc3b68557399198d2257c5b5', 
    'PkcK9byVvF24ypKhbR1nVxK49xWXNOlmtvXHuIpP64o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)