UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RiLIx8jZAJOskZhmyHvK1ydI6G/mozBxQfzG8HuRcac=' 
WHERE 
  key_id = '83d6df7c314b68b9491a06807e8f6b64604b6066e078b089212c3ddf72b1d8b9' 
  AND (
    token = 'RiLIx8jZAJOskZhmyHvK1ydI6G/mozBxQfzG8HuRcac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )