UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6imS8hPXkN61Yu6uL4saU42YzkcfJQfIz7ENF4w3qH8=' 
WHERE 
  key_id = 'c2b943261cba763234040c7087c823e1065986d89ad4b71b51323735a436bed9' 
  AND (
    token = '6imS8hPXkN61Yu6uL4saU42YzkcfJQfIz7ENF4w3qH8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )