UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rOFQegCHExQfrWMq5jQYoRhOeBu+2RdJySndfob/zoY=' 
WHERE 
  key_id = 'c8496981afb3fe311b53c106fd4653adcaf347de36e5c91f6a35b212af0b6916' 
  AND (
    token = 'rOFQegCHExQfrWMq5jQYoRhOeBu+2RdJySndfob/zoY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )