UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nu6CdboTnJnyCTCchY9jOEvbDEDQSTLZN9RKs8bCqFI=' 
WHERE 
  key_id = '9fa3cf1619e89277c2cdb501fa79a4d0198b29753599b4c7ad13ffc451b174f4' 
  AND (
    token = 'Nu6CdboTnJnyCTCchY9jOEvbDEDQSTLZN9RKs8bCqFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )