UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't44dBN7RRTrrp4uEdAytWuGHHTSOu5OGZok2Myu90s4=' 
WHERE 
  key_id = '3f1067e293c7ee6ad26766e36aa6f13a729b1549579852f46dfce769bbf84353' 
  AND (
    token = 't44dBN7RRTrrp4uEdAytWuGHHTSOu5OGZok2Myu90s4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044