UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lR4PQRxAc5Zr7H6aohd9xFxwks7zbNXZWefJ6MvxOYk=' 
WHERE 
  key_id = '6d00b2734bc2fe0a82fb0e2f8b722e959a700b6baf6d41c8064c1604d54f56e8' 
  AND (
    token = 'lR4PQRxAc5Zr7H6aohd9xFxwks7zbNXZWefJ6MvxOYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )