UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cXj6nCoykbmZUFAFZ+nZEZb9eUK4wh1OCeCasrxFY20=' 
WHERE 
  key_id = '6a690adf6a40f7a61930441a63651d266ffaa461f22b995498da38b85d68fd38' 
  AND (
    token = 'cXj6nCoykbmZUFAFZ+nZEZb9eUK4wh1OCeCasrxFY20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )