UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M4vqdUDlssEadTDUV2lMcZcRYEdSflycRNp0YgHwHmk=' 
WHERE 
  key_id = 'd12d63f7737ee83eb2688614a74b19ed3500a718b529f842a810ff33b0d35722' 
  AND (
    token = 'M4vqdUDlssEadTDUV2lMcZcRYEdSflycRNp0YgHwHmk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )