UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'knKyoMVxS+nXIz5EyBJipMFMkYv2ZynuRu1PQ1ODXLE=' 
WHERE 
  key_id = '20e9891d37af93a92b821d76129795422ed10205815e7014c4167e464dced66d' 
  AND (
    token = 'knKyoMVxS+nXIz5EyBJipMFMkYv2ZynuRu1PQ1ODXLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )