UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/C2nFszHptyvCffRuPxA26dfoAO2Kk/Q9l6HUKsti6Y=' 
WHERE 
  key_id = '83b9f61139c356f52e51678fa56cc73d6982df8ebd34941ac4f405771c55e6ce' 
  AND (
    token = '/C2nFszHptyvCffRuPxA26dfoAO2Kk/Q9l6HUKsti6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )