UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6fUa4yRnk7nXu5d3uvnZF1Rxt5JhaFjJWxwPCVqVaUg=' 
WHERE 
  key_id = '739845ad168438e5035d4899907df89d0dcae7cad563f97116c9b018c30b40cb' 
  AND (
    token = '6fUa4yRnk7nXu5d3uvnZF1Rxt5JhaFjJWxwPCVqVaUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )