UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ngt5YSImRt1/EJ4XrjxFbYBG8TXucy40fXcRBgsk33Y=' 
WHERE 
  key_id = '6b78d93ffac5191a92740967833ae978a6736ea6469e18115342388ad5064a6b' 
  AND (
    token = 'Ngt5YSImRt1/EJ4XrjxFbYBG8TXucy40fXcRBgsk33Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )