UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PoI9ZTyLo5uqj7CpBgLKXqp2n6QrnRwYbVfDRdZ4XnA=' 
WHERE 
  key_id = 'b68f0069c335e4af960a7853a1b7e65ae5973b54f4d6656d71f2765cff9be09d' 
  AND (
    token = 'PoI9ZTyLo5uqj7CpBgLKXqp2n6QrnRwYbVfDRdZ4XnA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )