UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vQPDZBnJbAii7Q+pPl05iIAxMY/USvrn4w0U8QCFDIM=' 
WHERE 
  key_id = '5f921b2bb9d5ae611be033fc41ea01d7f052e439790777113874e70bb6d878df' 
  AND (
    token = 'vQPDZBnJbAii7Q+pPl05iIAxMY/USvrn4w0U8QCFDIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )