UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yfPRzyJjWPrXhT5ITGN5DuPGk/A5uz+JFWGUVeXTDoo=' 
WHERE 
  key_id = '4c0cbaaf581127c01cafc345d603c799b92dbf6669ee597565d8daabc9769d7f' 
  AND (
    token = 'yfPRzyJjWPrXhT5ITGN5DuPGk/A5uz+JFWGUVeXTDoo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )