UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oRZsakih4HI9guAhTJplnY4E/Rx+VxDcejg8/K2kUxc=' 
WHERE 
  key_id = 'e7797ce049f24e2b4bb4c4bf6bb9c66889552a436a551c219de4b00b1f2a6a19' 
  AND (
    token = 'oRZsakih4HI9guAhTJplnY4E/Rx+VxDcejg8/K2kUxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )