UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//h7ZvdsogyuizZvE8RyjHknQ2icoaE2M7HrubnUh6U=' 
WHERE 
  key_id = '4a9c96da663630b74f6c2dc5b563c92b4160f19e7f2b3d7913c52cc9a9a0aa40' 
  AND (
    token = '//h7ZvdsogyuizZvE8RyjHknQ2icoaE2M7HrubnUh6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )