UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8xqC15zOFb6cgt0brVSagAKB7JKM8xfb+Oay2kAn8Mk=' 
WHERE 
  key_id = 'ffa6c777ae84a0001cc5ff5cd49a1168edcee39273fa29b1793ede6559407546' 
  AND (
    token = '8xqC15zOFb6cgt0brVSagAKB7JKM8xfb+Oay2kAn8Mk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )