UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mf/D35DorQViB0aIG062K6yCahUPWs/DUq0YwjIeHc0=' 
WHERE 
  key_id = '0ac6eb2580c4515e644c62961ef77785aec095074c8506d21944f04c2e9d5975' 
  AND (
    token = 'Mf/D35DorQViB0aIG062K6yCahUPWs/DUq0YwjIeHc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )