UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZrSzgiDL3tm/sstdZwqo7E7IpD/M9KC9bbGWWhd6tco=' 
WHERE 
  key_id = 'a4603374730dcbb835f9129e7477b88636324f2d21c9e7a11afdd352b95f4ff0' 
  AND (
    token = 'ZrSzgiDL3tm/sstdZwqo7E7IpD/M9KC9bbGWWhd6tco=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )