UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uifc6dN/WtYSBG2TYRo7iyP3lr7qQ4LEszRB+fgYIxc=' 
WHERE 
  key_id = '6979b9bbaa1bec68df4fe7f7c6b9cd235c3657d7eed2c2e62c6be1d918ae9612' 
  AND (
    token = 'uifc6dN/WtYSBG2TYRo7iyP3lr7qQ4LEszRB+fgYIxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )