UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VkvEfDNB4RRtHgdLMF7mSLTax3jymx/EBMl1VKq8Db4=' 
WHERE 
  key_id = '68c20019b2abde0199fe4130e1aff0e021843739ff5eb35d4c60c6c8cbe7a520' 
  AND (
    token = 'VkvEfDNB4RRtHgdLMF7mSLTax3jymx/EBMl1VKq8Db4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )