UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MXuPq4yJcr4mBt1C2OyzcvdQmfwuyiLgVDCuU0RQzHY=' 
WHERE 
  key_id = '3ef671ef05664e04c18657e03a506f786827b3e0f65bc846ce48f79a13e96489' 
  AND (
    token = 'MXuPq4yJcr4mBt1C2OyzcvdQmfwuyiLgVDCuU0RQzHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )