UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Szrg6BrKYkWPJZlz+Npze0cEsqWkjbINH41bpddaw0k=' 
WHERE 
  key_id = '6d51eea888dac7b5003e1445850d2ef375f632c9844c812fd90a802e6c16a773' 
  AND (
    token = 'Szrg6BrKYkWPJZlz+Npze0cEsqWkjbINH41bpddaw0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )