UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6PYZJ9BkpYxKSP8B9nfu9cPguQI7bmiKNo72E8UnflM=' 
WHERE 
  key_id = 'f9875e41f4fcb71457a6fb8e242fd17fbd3e123e6b93f971708e392bdeaf0f0a' 
  AND (
    token = '6PYZJ9BkpYxKSP8B9nfu9cPguQI7bmiKNo72E8UnflM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )