UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VztGMDtKcb125OQHVVqtq2UtXe1C02YuryzZyirlHAk=' 
WHERE 
  key_id = '52c9055162b09b2826546f5fb3ab4cb348105b4302a802a5bb2bfc8d082174be' 
  AND (
    token = 'VztGMDtKcb125OQHVVqtq2UtXe1C02YuryzZyirlHAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )