UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u9SHrV1uAGt0z7mX2aOGExxix/ncpk/Ut4wy1diL6DA=' 
WHERE 
  key_id = '6c0a9e67b4d65034b22872d54e6ebcb2e75fea96f220f83d5b56ea71bb73a08b' 
  AND (
    token = 'u9SHrV1uAGt0z7mX2aOGExxix/ncpk/Ut4wy1diL6DA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )