UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WQOssDlGqsy+9aekhgBfSnLB5hcwT+4HFBpmwD/UT2E=' 
WHERE 
  key_id = '1ae405ca3564e0afb116a8add7d0f2fe8d00f8b05582a2057269e5cbea5a0a6f' 
  AND (
    token = 'WQOssDlGqsy+9aekhgBfSnLB5hcwT+4HFBpmwD/UT2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042