UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r9Wdb6EVI3kX5I8B0FD9r2YMpDaMizqmVPohdz1rzqs=' 
WHERE 
  key_id = '1751ba7452d0dafd1ff1fdbba3091cf3f5bc6f323e74efa5845d9c2b532e26bd' 
  AND (
    token = 'r9Wdb6EVI3kX5I8B0FD9r2YMpDaMizqmVPohdz1rzqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )