INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39db21078a1299ca10b728bc6b0f5179a4233e11af679114899587d36c933a12', 
    'ewfiCjHY1NsB+3QeWhVaa90uft9TKrpM9aAVs9ENk0E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)