UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RlOUY8hP7uNepA/wBHWZ7LgrSZuqBHlUVDXCtjraqkM=' 
WHERE 
  key_id = '6e91a1d836f3bbba472a7d048f437db6bd4ef73e9fa1b5fdbb377139caed534a' 
  AND (
    token = 'RlOUY8hP7uNepA/wBHWZ7LgrSZuqBHlUVDXCtjraqkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )