UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z91gud3KdQxKrzD2TdUhHdmfzTXjSUoV3oOdPE+ZgOc=' 
WHERE 
  key_id = '08c991bd9ef356338d8ae6e764f2330542fe0317c8e9007a5a09bed8a00a11d8' 
  AND (
    token = 'z91gud3KdQxKrzD2TdUhHdmfzTXjSUoV3oOdPE+ZgOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )