UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z5tZ9ksk/DPKoH1K9OPHmxL1GUeOUAi1wV6uFTNjZ7M=' 
WHERE 
  key_id = '9843878cd0d59b422b2bfd99fd40b57c5d43c038e34798060780661b2c51fe89' 
  AND (
    token = 'Z5tZ9ksk/DPKoH1K9OPHmxL1GUeOUAi1wV6uFTNjZ7M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )