UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MQM61Mcvetfm0/8KhG10kyLOl3NryZcp/EgMQCq/hYI=' 
WHERE 
  key_id = '3b58d0d77a85aad259be048c2edde2616821c3fd00c0fffcf409ce5fafec4e96' 
  AND (
    token = 'MQM61Mcvetfm0/8KhG10kyLOl3NryZcp/EgMQCq/hYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )