UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8acP/4VtVM+LxN9NI/gHL8hA3vZv3159HI2bvkJ+Ic=' 
WHERE 
  key_id = '926af821bf82c5f4b9010c7cd0efb68e163a4667fc6a1065e8a96a83f4832016' 
  AND (
    token = 'r8acP/4VtVM+LxN9NI/gHL8hA3vZv3159HI2bvkJ+Ic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )