UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3cCTx8B9kWJq5UE+HA9+xP/+sLX1ID2MJJUCXoK+vTk=' 
WHERE 
  key_id = 'a4ffa04ef46c375f3d3019539ea74e539a5050b5767e6fdafde53c4416e31a16' 
  AND (
    token = '3cCTx8B9kWJq5UE+HA9+xP/+sLX1ID2MJJUCXoK+vTk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )