UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mr995NHKajYjXWcMedhEBzww7HChRYgsDVgwq2lb+tE=' 
WHERE 
  key_id = '2c781cdd5efd51f7acbec2a683e77777600356f8b7b542901025ecdbfed1be82' 
  AND (
    token = 'mr995NHKajYjXWcMedhEBzww7HChRYgsDVgwq2lb+tE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )