UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jJBP65cVzmIgXtJhk7PYLyycIS3FGhLYq3Xlj67lrUo=' 
WHERE 
  key_id = 'a1637395492d42455be350cb86032749c3c95dc6649c7ebe94e639c2df4ae94b' 
  AND (
    token = 'jJBP65cVzmIgXtJhk7PYLyycIS3FGhLYq3Xlj67lrUo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )