UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pJMrEGjKKS5JhEP7eSh7lIT53l5lzbyMBIanPgMTZwE=' 
WHERE 
  key_id = '64b96be52f1795f69edc550ca02f758e0e75f1de1c55c10a5c48b2535609e811' 
  AND (
    token = 'pJMrEGjKKS5JhEP7eSh7lIT53l5lzbyMBIanPgMTZwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )