UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GQmmAnKdwUfiiLukz4eQhCBukWiu9biacYlUcNoFkUE=' 
WHERE 
  key_id = '1845530aab87a769e4fb8b4355525df3ea2ed9bae1a3ec3f9aafe41cd98f094a' 
  AND (
    token = 'GQmmAnKdwUfiiLukz4eQhCBukWiu9biacYlUcNoFkUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )