UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MoRxPvbBXZjUVeQEtr3vR4Yu2z0Mkkwqe8EjIKTfTxk=' 
WHERE 
  key_id = 'b2d74dd8c88f98cb58d9fdf88d50a8a9f9b4a664a8c9508fb577e583edda0919' 
  AND (
    token = 'MoRxPvbBXZjUVeQEtr3vR4Yu2z0Mkkwqe8EjIKTfTxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )