INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21cedcfefd53a87a98ef2169a4cf4b4f4316f3569d31db9b1a19c6cf31544528', 
    'ZXJy1CEHkir6p2S/7prDmInG8a5rWGefZRJk8j5BYn0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)