UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4NBzMAPBW/ShDh93z1r5yWZlLf/kmTVySs8OfVgH+c4=' 
WHERE 
  key_id = '45c30a5d45a81bc910496488f7e2c24b1f5b1032a016858ceb49463a1acea22b' 
  AND (
    token = '4NBzMAPBW/ShDh93z1r5yWZlLf/kmTVySs8OfVgH+c4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )