UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4vRWVawUPBKX0Dl5Nji9o0OAtOdKbu71BcVyDzKEHdc=' 
WHERE 
  key_id = '29d0668cc10e9e2b6c4d751eff6bb11cf76f5b947de788dcf62f2598a2c59fb9' 
  AND (
    token = '4vRWVawUPBKX0Dl5Nji9o0OAtOdKbu71BcVyDzKEHdc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )