UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MVaIuk5suqTSrCtxEVEOqgCbYWj8QVtXnFv6Sdaj3l0=' 
WHERE 
  key_id = '3f53b9192aa7410f8d532d410d6bf698e0580e786cf41b608eda588e81412cc0' 
  AND (
    token = 'MVaIuk5suqTSrCtxEVEOqgCbYWj8QVtXnFv6Sdaj3l0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )