UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ov/d90CPTLiLnno9PEQMqneUBiNvKyLhh60qEdc5+Wg=' 
WHERE 
  key_id = '1d753cb4e180945c1696771905f2e1b99526b423b5fbabc725fbfcadb6e5dcf7' 
  AND (
    token = 'ov/d90CPTLiLnno9PEQMqneUBiNvKyLhh60qEdc5+Wg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )