UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7VC6CnDy5sqH0Sj2LVgj7E9Gk8to6txd9y+MaZMyFkw=' 
WHERE 
  key_id = '51b621aa06dafe3ebbc209b31e10a6352bcf3839c345d3e33437fbda061999f2' 
  AND (
    token = '7VC6CnDy5sqH0Sj2LVgj7E9Gk8to6txd9y+MaZMyFkw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )