UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mxGe//I2bcfdu8DpX9Eo6AF0+yKyVAiEk02Mtxi0LJQ=' 
WHERE 
  key_id = '392e6b1ebcdd81c3a17777e544a7ae8a3b82c1848ac86742a29921de20bd64e4' 
  AND (
    token = 'mxGe//I2bcfdu8DpX9Eo6AF0+yKyVAiEk02Mtxi0LJQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )