UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CH5MfLQjGQvbvupEQSUijRzr7e4k76NRnxiFHqi8hXQ=' 
WHERE 
  key_id = '4e6d7bffef3f63345f1b3d43956650249100bf23fe5ed0977fa720c89dc45f53' 
  AND (
    token = 'CH5MfLQjGQvbvupEQSUijRzr7e4k76NRnxiFHqi8hXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )