UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WTscDvmX8xTDNOE7OOAmLwCYkc5xAbcGRgd8KM7MXUA=' 
WHERE 
  key_id = 'b4f4b4ca839ab876d103983b87e92f45e41ae633fe127a3c1365202ea1a561a2' 
  AND (
    token = 'WTscDvmX8xTDNOE7OOAmLwCYkc5xAbcGRgd8KM7MXUA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )