UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fS22Nq7KrUWv7jfplTv4wWd3KNVEinpWVUxf9kmf6sQ=' 
WHERE 
  key_id = '51efa850467c2e9c8a4a4ff530546afceaf8097ec843bd26bd28b00b87ed4695' 
  AND (
    token = 'fS22Nq7KrUWv7jfplTv4wWd3KNVEinpWVUxf9kmf6sQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )