UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dyqcRB9ADftmQO2M7GM95FoXNq1TSlQsjKRF5p1LVwI=' 
WHERE 
  key_id = '936d9d1ac417d1a20e1deb0190c6e56d0b98534cc257381266a5bb0bda96cf9d' 
  AND (
    token = 'dyqcRB9ADftmQO2M7GM95FoXNq1TSlQsjKRF5p1LVwI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )