UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '31BeqKruEnqTEhIRnu2H7kydUQFThF/zED5pcP8vOME=' 
WHERE 
  key_id = '65376b7063c8c90559627f308f348460510a59603f5b7259fa5da73196d2db9c' 
  AND (
    token = '31BeqKruEnqTEhIRnu2H7kydUQFThF/zED5pcP8vOME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )