UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B1h6VK6ZYGG6LlMXGUZRolDKBbxoC0HBju2BEha1T24=' 
WHERE 
  key_id = 'e46a9cd5bcfa61713df7be34f63b16a7cdc442606eb3af607ed98945969b8b48' 
  AND (
    token = 'B1h6VK6ZYGG6LlMXGUZRolDKBbxoC0HBju2BEha1T24=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )