UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WAY8pQ4BCJWBz3osHVBYqRChmy/AzeugXDxDHeHGfCM=' 
WHERE 
  key_id = '1d68df8edd2d672cc24a2938147fd1085af2903d014ee96cea69078bc7fb2ad7' 
  AND (
    token = 'WAY8pQ4BCJWBz3osHVBYqRChmy/AzeugXDxDHeHGfCM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )