UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8f0xa5KGvEH+5UJFrAmqsidLSZtHPXt6ZmSHPCQ141A=' 
WHERE 
  key_id = '4a6b6b654d0609898f01c26e4c2314f72d6fe3b09f30150df34c371e2d31a788' 
  AND (
    token = '8f0xa5KGvEH+5UJFrAmqsidLSZtHPXt6ZmSHPCQ141A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )