UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G5nIZ0vcpidmMgEMnSk3GCi6wXYs1gO2u6ziBh9Q1YI=' 
WHERE 
  key_id = '3739603e870c6549c9175b4b2565519ffd312b19a3392ceb57393014783277b6' 
  AND (
    token = 'G5nIZ0vcpidmMgEMnSk3GCi6wXYs1gO2u6ziBh9Q1YI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )