UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kHRThZIpNVEyKhz16MdzzIGaXn4hSqySeTx1y85dDlI=' 
WHERE 
  key_id = '2a7ec275656270c8d78287c633d714fd2a47f2a849a1bd55362264ed2c4a87b2' 
  AND (
    token = 'kHRThZIpNVEyKhz16MdzzIGaXn4hSqySeTx1y85dDlI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )