UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DQCwfqgzEo8n08sg44WgZa8Fj7StyF0N68juUtM2/KY=' 
WHERE 
  key_id = '42eb76fd5d8d9f06ebc880a641768f481ba536c21f23269aebfc010566479c61' 
  AND (
    token = 'DQCwfqgzEo8n08sg44WgZa8Fj7StyF0N68juUtM2/KY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )