UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b4Yf5FgBOP3+qG0xEWfLJXUfEhF9pSHufo8+XeIvGvc=' 
WHERE 
  key_id = '921cc4b83cfb8be47206fbda095cf18c983fe4ddacb8ab67362d2d6d9040746e' 
  AND (
    token = 'b4Yf5FgBOP3+qG0xEWfLJXUfEhF9pSHufo8+XeIvGvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )