UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Fep4TLvAwMpucdsw2U83aT0UDpPnA0xlOdBivj/Ifc=' 
WHERE 
  key_id = '078ac98c2032537d10b1a07da51dde857e95a42a2362b3a0187c6af3aa9f2556' 
  AND (
    token = '6Fep4TLvAwMpucdsw2U83aT0UDpPnA0xlOdBivj/Ifc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )