UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pxt4INTKHfuuWTmtL6PpOz9og4TxTTBpV98hbU4pbGA=' 
WHERE 
  key_id = '3ffc033a8eddc526d467ca9f7c6c18db675cd864eb44815124f398254ed7637b' 
  AND (
    token = 'Pxt4INTKHfuuWTmtL6PpOz9og4TxTTBpV98hbU4pbGA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )