UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's8NtEmVhvtHBYE7rXnJtdzTKngIjfzCWTBRGBmUtETE=' 
WHERE 
  key_id = 'c79c1e6c5dac2f5c188ef331708e15710065e125738a5e2abf2728d1b4a8f06c' 
  AND (
    token = 's8NtEmVhvtHBYE7rXnJtdzTKngIjfzCWTBRGBmUtETE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )