UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5dZl/eyqBwY9G1xNRJb6XJSt0QDXQp/09l2B8cpTp9Y=' 
WHERE 
  key_id = 'a6e4639d46fa1c6a564eeffc53d741965f5efcd3a992a0a32312d260a80fe493' 
  AND (
    token = '5dZl/eyqBwY9G1xNRJb6XJSt0QDXQp/09l2B8cpTp9Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )