UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sd19wdJKPA1Xwg1I9t8gCsKATJ01YjQ8kTfQ7zrXGIA=' 
WHERE 
  key_id = '91edb76c5a1124cb1e5099cea76d1a4226e91816f81a7c9b6d5b08d3e33c7fcc' 
  AND (
    token = 'sd19wdJKPA1Xwg1I9t8gCsKATJ01YjQ8kTfQ7zrXGIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )