UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iWdTGEtoBDAMVsVOlnpUsYfQMvDgQWMkHoPRqbAqJDE=' 
WHERE 
  key_id = '938ba7f2be8ef471852f09b1a81362570c8f661a15063843ed2684c2b03256c6' 
  AND (
    token = 'iWdTGEtoBDAMVsVOlnpUsYfQMvDgQWMkHoPRqbAqJDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )