UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51MgM0kCs4K1lOKVr4CDgqLSUuUQXTpevriEA+ge6Y8=' 
WHERE 
  key_id = 'b2de90902b8fcc2c155cf12ea351a8693158e56c7f5c0e05392251ed302df542' 
  AND (
    token = '51MgM0kCs4K1lOKVr4CDgqLSUuUQXTpevriEA+ge6Y8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )