UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VLXZAQzZhxe4l9VYGBq2a3cQfjmOk+qg3RURCpmzTvk=' 
WHERE 
  key_id = 'fa3338073a8eda9feec2600561ce61a608bd8bbbdfb56514e955c1b5b2d43764' 
  AND (
    token = 'VLXZAQzZhxe4l9VYGBq2a3cQfjmOk+qg3RURCpmzTvk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )