UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WkEdjehWPnOG7WUHQxLB/8QB2PeJ35D+gK/6EPGg4/4=' 
WHERE 
  key_id = 'a9ec737a177df0558e72674a6762e8dbe6e3f7d7373ad5c4a43f077a55d51f65' 
  AND (
    token = 'WkEdjehWPnOG7WUHQxLB/8QB2PeJ35D+gK/6EPGg4/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036