UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kz0iKHQ0Y8+hc0R9iGjznDLeWc4nYeFACzs4TGmK1+0=' 
WHERE 
  key_id = '8ff2b427c446784858c6f11a51e2f812704fa0d079b1500486fe3b0a136e6066' 
  AND (
    token = 'kz0iKHQ0Y8+hc0R9iGjznDLeWc4nYeFACzs4TGmK1+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )