UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rOemCm4Ozsaf50XStJ1tREKe07F4jWSeATiDZ6wDX5o=' 
WHERE 
  key_id = '4d51e7ebe9a39b72a4024c78136faa18899a1636edb486c249f7ca86245605a9' 
  AND (
    token = 'rOemCm4Ozsaf50XStJ1tREKe07F4jWSeATiDZ6wDX5o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )