UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KLLOlOcu39sINajAcl+HoK1KWu1SSzQ1ce6SuJfqHRc=' 
WHERE 
  key_id = '6f15db80ad64a032748632ebd62660ad3386dbe50114c471f68f2b5bbbd4159d' 
  AND (
    token = 'KLLOlOcu39sINajAcl+HoK1KWu1SSzQ1ce6SuJfqHRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )