UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZftXEP7pVQh7LPnsj2IP4kba5wUe3Iqi3trRFUQaOZ0=' 
WHERE 
  key_id = '8e138aa8a3abaf0aec4798444c495906696f159fde6b4eee4a21fa36a1af5ec4' 
  AND (
    token = 'ZftXEP7pVQh7LPnsj2IP4kba5wUe3Iqi3trRFUQaOZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )