UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GaURC5VZ58BAPR3th0S1KaEVKbQVlLBz54B9AORg8HU=' 
WHERE 
  key_id = '55d9df554bfc3b3c5af41b29d5775002a1127842ef9ec47e3a51ea79aae561be' 
  AND (
    token = 'GaURC5VZ58BAPR3th0S1KaEVKbQVlLBz54B9AORg8HU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )