INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a299ecde50bd1f4aba1645946b64920edc038cc9e1fe0c849c70d179d47b8ad7', 
    '//xt4r0D5GoM5KEt3FK+9e2rg6+FJxuCBiz24eqXWew=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)