UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dg+Uthyw05iCEmB21kGaYQzXojAWl6viXWJpNhGTtE0=' 
WHERE 
  key_id = 'c16da5434d601a4d459d649d4115af7c21dbefe5ddce788047d80986d138e077' 
  AND (
    token = 'Dg+Uthyw05iCEmB21kGaYQzXojAWl6viXWJpNhGTtE0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )