UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0Fn591ZMqULdPRitb9OHnsumv9wuxWpAMyLn3647TJ0=' 
WHERE 
  key_id = '538964f618f9affb99b2b623eb0f916caccddee7210aa3297cb4c1bd42e64906' 
  AND (
    token = '0Fn591ZMqULdPRitb9OHnsumv9wuxWpAMyLn3647TJ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )