UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QIiTsUcj+tQ5ou2LzKETrSWAkPsb51iOvzNETw5VtfE=' 
WHERE 
  key_id = '81b2baed1c575ac0999e3210891a2fb996e7940624db3d5334a0aabf759256f2' 
  AND (
    token = 'QIiTsUcj+tQ5ou2LzKETrSWAkPsb51iOvzNETw5VtfE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )