UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y8fGNHlxeWaXEa+8rjhv/zt1eMTZog5l15/MvyQn1jE=' 
WHERE 
  key_id = 'c1a7d27d82fa71f99b1afeabe5c8372f813c45e4252588d76e6bd3e99178bfa0' 
  AND (
    token = 'y8fGNHlxeWaXEa+8rjhv/zt1eMTZog5l15/MvyQn1jE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )