UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WT6gKv3KxW+s5hMDjg9ByCR3UaH4wl/uxC7jGlJxkY8=' 
WHERE 
  key_id = '798f026dcfa706c2fc118226c31d2b71c84a60b9fe762c5f41ae47fd801d2ff8' 
  AND (
    token = 'WT6gKv3KxW+s5hMDjg9ByCR3UaH4wl/uxC7jGlJxkY8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )