UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xhtBl1zeqUX9whXi8m73KBx/1VgTOs+f/B31lSboDAk=' 
WHERE 
  key_id = '91f9c68ce8dc0b5091a4db0264f40afe69283174bd13027a8bfaea5ef9a32c36' 
  AND (
    token = 'xhtBl1zeqUX9whXi8m73KBx/1VgTOs+f/B31lSboDAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )