UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n8VCwBh9w99jIznTRnQHxMv0Y3oetmKh1PjDT5l65Fk=' 
WHERE 
  key_id = '793139ca47751808aebd100fd522a00549c74a730dd7fa16a567806c84b97493' 
  AND (
    token = 'n8VCwBh9w99jIznTRnQHxMv0Y3oetmKh1PjDT5l65Fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )