UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'md7/e+o9zYUDRQ2J5rfSvVQ/y6mBy7p9RJSmHP0L7RU=' 
WHERE 
  key_id = '6d50760111a3a5a89cda448783ddcc1972b1e1e2d7a645046402ee31f3693fd2' 
  AND (
    token = 'md7/e+o9zYUDRQ2J5rfSvVQ/y6mBy7p9RJSmHP0L7RU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )