UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JRNuhxUnQFSM5pE8zI9GQpddXUiXWTg0D3IvtU6CmYk=' 
WHERE 
  key_id = '8ddd79c809a106bf0fceaa6f9f02243200befe1e9a6b8614116311a9feca08f3' 
  AND (
    token = 'JRNuhxUnQFSM5pE8zI9GQpddXUiXWTg0D3IvtU6CmYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )