UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ztvHwn9uH4AA5lUKudj2Z/4fySPcpKfO4V4ERqJf6no=' 
WHERE 
  key_id = '21e71ddccd814f678a8f1813e0a6f42536ca0afdeadb1fccf7a3ee0048b6a922' 
  AND (
    token = 'ztvHwn9uH4AA5lUKudj2Z/4fySPcpKfO4V4ERqJf6no=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )