UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MPQyya/5XGSOO4ykEC2rFSyF9GIQHtTWY3jiTB5/rU=' 
WHERE 
  key_id = 'b2fcd96d64fec285b0de9edad652c6d558037efbe8fd63e0fa04de5d5372718f' 
  AND (
    token = '4MPQyya/5XGSOO4ykEC2rFSyF9GIQHtTWY3jiTB5/rU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )