UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DUe9kqN9X2WblMTTVMc+EuvHVu5sHtxOZkMpEf664so=' 
WHERE 
  key_id = '931c0d4c944a9657f1830f49cff1e8c5f6f18baf60b7f3ac90965e1c1fe4a967' 
  AND (
    token = 'DUe9kqN9X2WblMTTVMc+EuvHVu5sHtxOZkMpEf664so=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )