UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4T2YOgJ+J8GKpt7uqpF76j0NchPgLf78q9/Xy3yMUDg=' 
WHERE 
  key_id = '977f9de7913325206a208e2890b6a2272d4b37554d5c977e4213243b45e2eb9f' 
  AND (
    token = '4T2YOgJ+J8GKpt7uqpF76j0NchPgLf78q9/Xy3yMUDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )