UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DS2lJFCvtvjo0oYntSX6vVDPHWcH4Esuf4UCZI7dmEE=' 
WHERE 
  key_id = '50c6e76146496472601d2f613dcd80d22454e4045056e8d8dcdeef0aa8247d31' 
  AND (
    token = 'DS2lJFCvtvjo0oYntSX6vVDPHWcH4Esuf4UCZI7dmEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )