UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2S7MBC+Y1WK/ujP4IcDr2Uxsq+/dyaukbBXEuWVKHmE=' 
WHERE 
  key_id = '56a7cac18a2fd52e9e81aff293b2af1c3943d1e59983f232b1f6677ade77c853' 
  AND (
    token = '2S7MBC+Y1WK/ujP4IcDr2Uxsq+/dyaukbBXEuWVKHmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )