UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Az1EKyjjGjyGUnFdlfVHToy8ZjLmksVHGvwjqgM+izA=' 
WHERE 
  key_id = '6efed3e4667426d0989ac6db12a3963849b4c75d10b5f85a5f1e53e488282d6d' 
  AND (
    token = 'Az1EKyjjGjyGUnFdlfVHToy8ZjLmksVHGvwjqgM+izA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )