UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k4mIS+DdO4pRsVobr1MirNdDf/bSW/zZOBMYl+EHPHY=' 
WHERE 
  key_id = '47e5cab4b556abb8cc1397536cefdf5e70fc41243d34efa4d1cd87f5b2edc9c6' 
  AND (
    token = 'k4mIS+DdO4pRsVobr1MirNdDf/bSW/zZOBMYl+EHPHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )