UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a2PF9wbvvE0GkClujsotagg+WGAW8u6x9TvtpGXSrBg=' 
WHERE 
  key_id = '50d8ba608208d3b1590d951a7a6e59421252c04a7e28a606119caf1b656b6720' 
  AND (
    token = 'a2PF9wbvvE0GkClujsotagg+WGAW8u6x9TvtpGXSrBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )