UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ejwRixawZxqSwY1npkOmF3rtU1+ZeFn6doIsep8omKM=' 
WHERE 
  key_id = 'a9e1c0443de9f41538048cfe821fde47dcab7bdf211e8360b94f512eb622e5c8' 
  AND (
    token = 'ejwRixawZxqSwY1npkOmF3rtU1+ZeFn6doIsep8omKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )