UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sk6wvbl4z+3Ti5X3TH4M4YXauJUoeqTiwfXofmVloxk=' 
WHERE 
  key_id = '7a27d42663d9d5749438e71702e2ce626923069fdd5e7e46ec76cdc15ef2d262' 
  AND (
    token = 'Sk6wvbl4z+3Ti5X3TH4M4YXauJUoeqTiwfXofmVloxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )