UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q2yO4HApgKdWO7f+KoP2WrrbCuZAzMinOd9/B7g3yuo=' 
WHERE 
  key_id = 'ff3896b534ded66047cdc40ae5efbb6b4fc6f665393fd49a97b969d31da1b6a4' 
  AND (
    token = 'Q2yO4HApgKdWO7f+KoP2WrrbCuZAzMinOd9/B7g3yuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033