UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GP88tv9swcO2sgY8DgUF5MsfIflkY0bV/mYiUUAXEm4=' 
WHERE 
  key_id = '6e4791c310377ecfa031ed728ddb5c5d25174d09dadbc722191c4c577cf8322a' 
  AND (
    token = 'GP88tv9swcO2sgY8DgUF5MsfIflkY0bV/mYiUUAXEm4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )