UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68lQox0G+H4+TfOVPG5RYkSlqvOQ43Ne8UZGjvkmtUs=' 
WHERE 
  key_id = 'a8f6b3f12690c2e2f3746af79282709da188bcc8f84c0dc27fc76f4447d76218' 
  AND (
    token = '68lQox0G+H4+TfOVPG5RYkSlqvOQ43Ne8UZGjvkmtUs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )