UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x2kTXSxSs/rh+++84CMltxV99QRWKgqDGbV86uvAll8=' 
WHERE 
  key_id = 'b94e4dca49ef873aaa0eb745888d42304f5cebb1fbe57980d2a8de2895413f5b' 
  AND (
    token = 'x2kTXSxSs/rh+++84CMltxV99QRWKgqDGbV86uvAll8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )