UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kgM9ZA7Gacv8udLssVnnMQEq3U9o++jFdRz7Bqi4RLI=' 
WHERE 
  key_id = '492c5e8792405ff3ffdf138d33c346b72d4c5f81fff8f83ae2654bf3253e6249' 
  AND (
    token = 'kgM9ZA7Gacv8udLssVnnMQEq3U9o++jFdRz7Bqi4RLI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )