UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kaCByF7o89x6+u48u9XszzAl+T8pquNlq3+gBn0F+Oo=' 
WHERE 
  key_id = '7835794ed9de162b20deead396aed1f9816771655250573b685f750e55e55d35' 
  AND (
    token = 'kaCByF7o89x6+u48u9XszzAl+T8pquNlq3+gBn0F+Oo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )