UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ysy01NzRTV3IAqLnc1f0So94KK9vmMA0KucCR3ZmHqQ=' 
WHERE 
  key_id = 'c11f86a223342f16006eb50de8cf95bab7f7c72b7f5d0c5051fd03a43bd00788' 
  AND (
    token = 'Ysy01NzRTV3IAqLnc1f0So94KK9vmMA0KucCR3ZmHqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )