UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PhlkzIVKNdRTU0NhoVAw8rcqNXnOLWIgwrzsE0NPziE=' 
WHERE 
  key_id = '6f4f76f9b35408abacda27cc5bbc4a7e2502da6fafb30788f7c5436b50c81389' 
  AND (
    token = 'PhlkzIVKNdRTU0NhoVAw8rcqNXnOLWIgwrzsE0NPziE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )