UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pNxepoug08b4ElPMBhJftqsT2LhyIIZsO0rJlTyObGQ=' 
WHERE 
  key_id = 'bf37dce42700035583c4b96fb6f893eabdabe9b52c107a828a9f7412505801a2' 
  AND (
    token = 'pNxepoug08b4ElPMBhJftqsT2LhyIIZsO0rJlTyObGQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )