UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nfDpNYE6sQhwmofQEurIbCLtmhAiEmv+AH/wtgRmtx4=' 
WHERE 
  key_id = '7f5d4556cae2128707b1488f1b0d6ee44dbd4877e68de5fcb1843c472835ec80' 
  AND (
    token = 'nfDpNYE6sQhwmofQEurIbCLtmhAiEmv+AH/wtgRmtx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )