INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81621150d0423388fa0c6e1f5dec8ae2c99ba0994536bbaf2401127a3846e59e', 
    'KpaKVHwCDmqN5HD5Uj+V6XIwhpidZoKxcInQLvtzCB0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)