UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B9Xa8TsLe83/xgqFSlvrfwP+1nv1uOTdOEdd0lY78h0=' 
WHERE 
  key_id = 'addee2b8e3d44acfca8a4c2239c1ba6f13e415f72e523a5ec686edc311b7d70f' 
  AND (
    token = 'B9Xa8TsLe83/xgqFSlvrfwP+1nv1uOTdOEdd0lY78h0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020