UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BDMT8P7bKEDveDTqOBQ0tIzEGC/3RqSsImLL7b5+8eI=' 
WHERE 
  key_id = '971e29bc3dab59412b029218c654296bf35f3f041d506db3479ec409cad919d0' 
  AND (
    token = 'BDMT8P7bKEDveDTqOBQ0tIzEGC/3RqSsImLL7b5+8eI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )