UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PgOtRWE0lUk8do/kR5kneO7ZITEQS9h5XEBFBLbGNe8=' 
WHERE 
  key_id = '6f1c352309f7a59170380d11e92df9a2c497a2f592a8bc8d66f7494e8bb63b40' 
  AND (
    token = 'PgOtRWE0lUk8do/kR5kneO7ZITEQS9h5XEBFBLbGNe8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )