UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qj6KfDu9cICSoDhESJZkV1fx5wVdVk9cb5zL+rxnK/Q=' 
WHERE 
  key_id = 'fd0791706069242d586cd0cec689b4d0dff9075c59630e85b4ffd64c8d5f573d' 
  AND (
    token = 'Qj6KfDu9cICSoDhESJZkV1fx5wVdVk9cb5zL+rxnK/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )