UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r5GQLeBxDnMptzBOGvOQIELkEzW2yMwH7cOJE/tyjX0=' 
WHERE 
  key_id = 'c1e13993399e85cd674dd28178e1cb65f6ddcc151ee02a5a140633700be49168' 
  AND (
    token = 'r5GQLeBxDnMptzBOGvOQIELkEzW2yMwH7cOJE/tyjX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )