UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T26n+Six91auq5f/gvXExcDQk10uBNWyBirmz4NYZk0=' 
WHERE 
  key_id = 'cd08ae376d9418a04a0d51ca8e553e3f5c3605d3732128b70528f3f57affa83d' 
  AND (
    token = 'T26n+Six91auq5f/gvXExcDQk10uBNWyBirmz4NYZk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )