UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PKlxq5Z3G2dxcOeJdZax7v/xJCLhNCHc6d1V0X3rOEo=' 
WHERE 
  key_id = '43f5de2ab73aa49a08474a80e8439bc070755d413b149b89e5115005e82e1296' 
  AND (
    token = 'PKlxq5Z3G2dxcOeJdZax7v/xJCLhNCHc6d1V0X3rOEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )