UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mWnTemsLmmIx0AgYTc76LSvSXqAwwqVbMkPdZbdd6GA=' 
WHERE 
  key_id = '6ee870b876b301558bace277b41f1d8bb2468a171d6d3c99581f09e710fa78dd' 
  AND (
    token = 'mWnTemsLmmIx0AgYTc76LSvSXqAwwqVbMkPdZbdd6GA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )