UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPML8leqywCyAXLhikP+yfII8HLKj66QjHLiio84+qA=' 
WHERE 
  key_id = '4ab2a130e557cc1637a64f6538a5a3cc4be95d023d39628e63998c64a3588c6c' 
  AND (
    token = 'PPML8leqywCyAXLhikP+yfII8HLKj66QjHLiio84+qA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )