UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VHhepya6eeo1BA72QHV3mVKuFDKJY7lCPR1FGStaVeU=' 
WHERE 
  key_id = '3a899e77ce67468fb4192abadc34a33a0de9df8bf05561e4daa880519f5217f2' 
  AND (
    token = 'VHhepya6eeo1BA72QHV3mVKuFDKJY7lCPR1FGStaVeU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )