UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L/g9ZUJFhXTek5e1J4bX9tZzI4LhtHONtBuX0M4KhFY=' 
WHERE 
  key_id = '981e3bf82c1830937d6f2ed4c1a307ecf57b71f1a6fa35e95200c851e1790532' 
  AND (
    token = 'L/g9ZUJFhXTek5e1J4bX9tZzI4LhtHONtBuX0M4KhFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )