UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V8eH9hquuIi0fnBRATKc3aQih2lU9a97LurJ52gM/50=' 
WHERE 
  key_id = '797fd3f4837ddb281f21008cc177b2d96d35e9653d918de092e2ee4e73ee78d4' 
  AND (
    token = 'V8eH9hquuIi0fnBRATKc3aQih2lU9a97LurJ52gM/50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )