UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6oN5a2tttbViB5eMdTTusnQY5/VdvA7M+cKjjecBnko=' 
WHERE 
  key_id = '3f490bbc5c935531db845f092cba491461134a8ed269151b9ae3fcb5d8e37755' 
  AND (
    token = '6oN5a2tttbViB5eMdTTusnQY5/VdvA7M+cKjjecBnko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )