UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'udNfhJCzsqS8z9ZIkze1UUnxRVr+i97ooK64FeYkzi0=' 
WHERE 
  key_id = '2a4ce8d6055a2e8b5081379c0b6b01ef0bb7c34655b2d68998289e023ec85de4' 
  AND (
    token = 'udNfhJCzsqS8z9ZIkze1UUnxRVr+i97ooK64FeYkzi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )