UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCPPH2L+0UcAwy1zGvhxYT3376YOVPyuQHvUf/pCuWM=' 
WHERE 
  key_id = '6c6ec2ba7d6fba8015d0defb9a97a9b84f90c71e72e54dc79a21cecd63ff3d88' 
  AND (
    token = 'MCPPH2L+0UcAwy1zGvhxYT3376YOVPyuQHvUf/pCuWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )