UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UakL6kUrr4pk1qkA81w6j4hl3wDg8kfIoCODtABmXfg=' 
WHERE 
  key_id = 'afd4561ac5e4b712358f39007e46f7dcffbf1f5ec975c54661e3e2e054d9c438' 
  AND (
    token = 'UakL6kUrr4pk1qkA81w6j4hl3wDg8kfIoCODtABmXfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )