UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uD/Ca3/3/GDh07n0r6OilSPEVwmwiBlj40gtmZPqFK0=' 
WHERE 
  key_id = '4fdc316beab45b52761eee962d78d8c2580ac85754199f615d1c424e182dafcf' 
  AND (
    token = 'uD/Ca3/3/GDh07n0r6OilSPEVwmwiBlj40gtmZPqFK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )