UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xgkztoiixoHUSDsfjDKLWdwruesWad2hIdI8plFAUmg=' 
WHERE 
  key_id = '6e71c8792d47fd976c9ef15749805be6f81105bcfafc4a328dfcb35fd46455a3' 
  AND (
    token = 'xgkztoiixoHUSDsfjDKLWdwruesWad2hIdI8plFAUmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )