UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tAQ+7fw8DnWPYOgFefiJiYonqItkNn4gAc6GqZikGjs=' 
WHERE 
  key_id = 'e576891bd56cc12c88acd65360e934a32932ca4d8f450b47604b0a29600d233d' 
  AND (
    token = 'tAQ+7fw8DnWPYOgFefiJiYonqItkNn4gAc6GqZikGjs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042