UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iT7t/iblGxfxRc4IMpsPJYk1Md2EwV65ylKox2bgfBg=' 
WHERE 
  key_id = '621af7c4c5df7d5a7648bf88e383816099042b19e83c1dea7bd75372ebdde081' 
  AND (
    token = 'iT7t/iblGxfxRc4IMpsPJYk1Md2EwV65ylKox2bgfBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )