UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MxTwOdC4QZZGazzXEtf4dWyI8hfjDUjA9oJBS/PY0s=' 
WHERE 
  key_id = 'e51ff3880a75fd137f3b67ca46c68312b8ff3e3f5f8e5daabe5e408b77650704' 
  AND (
    token = '4MxTwOdC4QZZGazzXEtf4dWyI8hfjDUjA9oJBS/PY0s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )