UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MtZpihPzjZD9anNUgO4P3oIjJKmY2Sx7A2N4teF86Dk=' 
WHERE 
  key_id = '6b029746dc51de43a8cea488d6aac80a02bf8b83b126568c57508941ac8f5ff0' 
  AND (
    token = 'MtZpihPzjZD9anNUgO4P3oIjJKmY2Sx7A2N4teF86Dk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )