UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RDcjMFCeBIlAGF/MalgErOCFrcib/Nu1mWFb/nlVzBo=' 
WHERE 
  key_id = '539a2c141f7a54aaf3a4465e55287d74aa9181b92d4456cad14714a78e046185' 
  AND (
    token = 'RDcjMFCeBIlAGF/MalgErOCFrcib/Nu1mWFb/nlVzBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )