UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LN8aTAnw2k86pbkIFLJvu8HNjiAudaMLYHzRBRqfB+A=' 
WHERE 
  key_id = '00c95414e7991846d9789288d3fc40a402f65ce72e6c364b239fbda23e36670e' 
  AND (
    token = 'LN8aTAnw2k86pbkIFLJvu8HNjiAudaMLYHzRBRqfB+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )