UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'HW5lKUW7cbB2N4FlRUErTrU4Z6YbqcFBh5bty4mQTgc=' 
WHERE 
  key_id = 'dd70ecd127b394cf54043d9db09e741f5ff8e2b182f12517a58a58e804a83c76' 
  AND (
    token = 'HW5lKUW7cbB2N4FlRUErTrU4Z6YbqcFBh5bty4mQTgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )