UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6qhqMqr31DToduoz/PFeLztjbkX9xiPVy7/ly5FmVRA=' 
WHERE 
  key_id = '6a871a225af7551779f993c890a75e72cfb62f8f3d5a0039169ee4fdcda2e7a3' 
  AND (
    token = '6qhqMqr31DToduoz/PFeLztjbkX9xiPVy7/ly5FmVRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )