UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l5fXsvq6+6SW3sXWYNEBUSk3S0gRfSPEsuFLvBgmaHc=' 
WHERE 
  key_id = '21b4cd5a8d17ef3e8dc810f125b6cdc933d376523720d9c3f3f182b76c8a143d' 
  AND (
    token = 'l5fXsvq6+6SW3sXWYNEBUSk3S0gRfSPEsuFLvBgmaHc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )