UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZjTpfFlvW8/lDfRvLo4pyCD6tcKQkWvUTtqcpLhPWCw=' 
WHERE 
  key_id = 'c07d56f8895a0eab19c38d32d052402e3b66d57f5df91f9d9ab2c3ffa94bf95d' 
  AND (
    token = 'ZjTpfFlvW8/lDfRvLo4pyCD6tcKQkWvUTtqcpLhPWCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )