UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iAa3gi7uez47s62zHssOY/hTvh3i3hqxFDXjIKkL+OA=' 
WHERE 
  key_id = 'c2fb89b3f1dea2cf284b4f869357746e61b36493d27647b3150e90a6df098b4b' 
  AND (
    token = 'iAa3gi7uez47s62zHssOY/hTvh3i3hqxFDXjIKkL+OA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )