UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4EGvNPKPH3QTNyxNg2yNKC4v9/0hL0gHlqU20KEzKz4=' 
WHERE 
  key_id = '791ead43b8cfdfd204fbbe6ca8df282ff94863c525c8b3463217635a5875ac2a' 
  AND (
    token = '4EGvNPKPH3QTNyxNg2yNKC4v9/0hL0gHlqU20KEzKz4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )