UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xfKHj84tTtg8zLCvNG0yN09rgwFAAzI8VibFHvtJ4c=' 
WHERE 
  key_id = '4d4726f1a2f67fc3210eb402ce628ce03e0d1978dc6db5b0430e6ed61d662476' 
  AND (
    token = '6xfKHj84tTtg8zLCvNG0yN09rgwFAAzI8VibFHvtJ4c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )