UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'avwZCiBnsvYbMz/flTNZC3FW6hEVLZdUFiRuY4fnSos=' 
WHERE 
  key_id = '31d0fe84de5d83f402187890480d04911a8e4b46cadddbda0e9d4fbe7ce76d9b' 
  AND (
    token = 'avwZCiBnsvYbMz/flTNZC3FW6hEVLZdUFiRuY4fnSos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )