UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OPuG+f+PbsRkL370aMEQDGwpJy3tbHETtBRDgyh628E=' 
WHERE 
  key_id = '36f17e75a3c653cc18fae79dd164ab87f4da1349f59a833594bbb6c7d86d3ef3' 
  AND (
    token = 'OPuG+f+PbsRkL370aMEQDGwpJy3tbHETtBRDgyh628E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )