UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Y+Wx3W9rVYy8PU7Ap8c7YJsxh3RvNhRQ2HWa69CPKA=' 
WHERE 
  key_id = 'cbc64a903481ffb8a302de202a03e98b04a218af1d2c6c5203399af0614a3647' 
  AND (
    token = '+Y+Wx3W9rVYy8PU7Ap8c7YJsxh3RvNhRQ2HWa69CPKA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )