UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zcG8uSIF5beyM2UU+IWc9qfdQV5xMNTMqSkydt6A8IE=' 
WHERE 
  key_id = 'c51d1af1a702324cc187917b36582d2bd6ea3a1abb6e603506f23ea87e7b7ee4' 
  AND (
    token = 'zcG8uSIF5beyM2UU+IWc9qfdQV5xMNTMqSkydt6A8IE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )