UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PoKwXojqTpM6n0PrsZBaKx+19ADqmPku9AWUzl1i1c8=' 
WHERE 
  key_id = 'a8d7de80970d8970759c9751474009ebbfc42d2a067654c217c72792434472af' 
  AND (
    token = 'PoKwXojqTpM6n0PrsZBaKx+19ADqmPku9AWUzl1i1c8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )