UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UTUMkfiA+JAkxnt17sNKpVi3I9KW1STaiKnf+2dtta4=' 
WHERE 
  key_id = '31cb5c10b8ed0421ed79dc2a294750ed4f2f78ffb2f4a58dcdaac7462bd85b94' 
  AND (
    token = 'UTUMkfiA+JAkxnt17sNKpVi3I9KW1STaiKnf+2dtta4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )