UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vG8tfNpEuIz6vpoiqdQRFnkLmWas85KYpnkPbxTgHoo=' 
WHERE 
  key_id = '21ec430cfeb079857f58f6f114c64eff10209bc420825f05e4da523d55db4363' 
  AND (
    token = 'vG8tfNpEuIz6vpoiqdQRFnkLmWas85KYpnkPbxTgHoo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )