UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4iFKHEmy3wiWh/VMUPRjPkdzLH5LDV0IFdMwTmXe1OA=' 
WHERE 
  key_id = '5ee47bd38aa0a5b7e07e8df773e97443b93a57b9e7c1128a6bbaa1ce8a0968d5' 
  AND (
    token = '4iFKHEmy3wiWh/VMUPRjPkdzLH5LDV0IFdMwTmXe1OA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )