UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rV5ZzDdPStvFeOdtmIb9yMSvEJCokvENiHgljy/iFk0=' 
WHERE 
  key_id = '7a8c1ea96b37771a5e6694006eee5def54b9bfda27f9fd8919d049455ee948e4' 
  AND (
    token = 'rV5ZzDdPStvFeOdtmIb9yMSvEJCokvENiHgljy/iFk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )