UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o2+OZTtsfYnad4aY8J2dFy5nRUecV0VsBXx1kYdC2ME=' 
WHERE 
  key_id = 'ae9b21a2623c37fd934e277c5579b2363e347ceda578c78e7f1be6096f1d7599' 
  AND (
    token = 'o2+OZTtsfYnad4aY8J2dFy5nRUecV0VsBXx1kYdC2ME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )