UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QxOVSD8sagHpi3gbpPHhXUwxNxr6Nu5qdl8UsH7+E/I=' 
WHERE 
  key_id = '173f60e5f9cc522de79fa99cbaeb2334b2c50bcf70a8fc40379cac2a40f98cab' 
  AND (
    token = 'QxOVSD8sagHpi3gbpPHhXUwxNxr6Nu5qdl8UsH7+E/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )