UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RWqXku9GgCsZEaD+BF6ZAM1YmSivQLjXT3526IlaWig=' 
WHERE 
  key_id = '6f9d38b10b5544914d1ab44cef28dc7d79a67ac1a76694600141e3bbbb9831ff' 
  AND (
    token = 'RWqXku9GgCsZEaD+BF6ZAM1YmSivQLjXT3526IlaWig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )