UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'um3WROm5QUAYdW8Ng85lzAQkwNHfMo5DGtCABNTrlMc=' 
WHERE 
  key_id = '68b171bf2daf98341c9afaf5e18f3a695990427c89e30088adec1ac45ec174f5' 
  AND (
    token = 'um3WROm5QUAYdW8Ng85lzAQkwNHfMo5DGtCABNTrlMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )