UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kx2mLoj1R8X8Vc4Bo5A8QUK93rHMLw6LVgndy/G8DGY=' 
WHERE 
  key_id = '798aec6cc45f2472569bfa242fae00d6bb8fba099d723bb0a6a346751848a524' 
  AND (
    token = 'Kx2mLoj1R8X8Vc4Bo5A8QUK93rHMLw6LVgndy/G8DGY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )