UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W1aQXwMnjOIWtJ3bJZtIZSw7cA6iN3rR6q6tLRa8UCA=' 
WHERE 
  key_id = '6814d93d8f617dd766c5059233d5eb4dd41669ac355ea923ff59bd006a5107ee' 
  AND (
    token = 'W1aQXwMnjOIWtJ3bJZtIZSw7cA6iN3rR6q6tLRa8UCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )