UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6Xy1u0qQjTLwEiIFoxG50wZaoPSvTvjEsfzG9LlZ94=' 
WHERE 
  key_id = '4c3d217fc9401446e8ee548a331e782e4a26a1f3bf1952d19727e61b239c7279' 
  AND (
    token = 'U6Xy1u0qQjTLwEiIFoxG50wZaoPSvTvjEsfzG9LlZ94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )