UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9G37ngmYzlTUSLJXExmFes9MDqg5iqMP9ivSt6kJ9eI=' 
WHERE 
  key_id = 'bca623d87adcb3bf38558f20fda7c76c05af3b50e3d10f76ac37adccf2dfbf30' 
  AND (
    token = '9G37ngmYzlTUSLJXExmFes9MDqg5iqMP9ivSt6kJ9eI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )