UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wIQlFC356GhlFQwKPaYyoJ3x6iMj3cxZiwwzgYlyGc=' 
WHERE 
  key_id = 'e76b83a53770912a42f78f415760b214a4d65c67af90345e06a88cd917614e9b' 
  AND (
    token = '6wIQlFC356GhlFQwKPaYyoJ3x6iMj3cxZiwwzgYlyGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )