UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CLqxn9yC1JsIXO1nqrehONNMsSRusgqhUKvk5fcexnQ=' 
WHERE 
  key_id = '551b4893ee3eab799135ddf7ae4f2c783651be2a6c374c8722104374d4346229' 
  AND (
    token = 'CLqxn9yC1JsIXO1nqrehONNMsSRusgqhUKvk5fcexnQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )