UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g6wm3C80kYZb+zG5ltI40VvSWsh2Uz7Zy1FaBJBdaCk=' 
WHERE 
  key_id = 'a7e9c34cc9f17dad22197baa82909e87ab31fb16fe502675e5c17e940b456737' 
  AND (
    token = 'g6wm3C80kYZb+zG5ltI40VvSWsh2Uz7Zy1FaBJBdaCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )