UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0Z2m9CZqhGbfvfk1NyQWEnA3ShUuSMu2ABtD1FIhLnk=' 
WHERE 
  key_id = '76f5dd4dcbc418098e3c6709754e59165bd42796f9e4aed21a94e73914561f94' 
  AND (
    token = '0Z2m9CZqhGbfvfk1NyQWEnA3ShUuSMu2ABtD1FIhLnk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )