UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z6Nr+JATGHT3HdZQFT4ujdOqGAFHULQ7XLITi/sWkx0=' 
WHERE 
  key_id = '2c6d26dd841f1ac0d67beef63972d6df4827cdc15819d4c0037e511423178e19' 
  AND (
    token = 'Z6Nr+JATGHT3HdZQFT4ujdOqGAFHULQ7XLITi/sWkx0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )