UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BMd5smsHWk7mLknq4IlopUy9q3/u5hV1gFLcIuAs1sA=' 
WHERE 
  key_id = 'e51bb69491ee3296e1217c6767759c45f85ce4826e664dc909c039f25861a0f6' 
  AND (
    token = 'BMd5smsHWk7mLknq4IlopUy9q3/u5hV1gFLcIuAs1sA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )