UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fEYw9wzwM9NzMkBiMNXIdv/4k/P50AOz7nqiTpIlGUU=' 
WHERE 
  key_id = '593f0cee1b1fecf2a2412f2b357743d1881f65193e3e7ce27614e5c0bc1b24de' 
  AND (
    token = 'fEYw9wzwM9NzMkBiMNXIdv/4k/P50AOz7nqiTpIlGUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )