UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tx2FnjvFvHd0sGA9Drsy6N2kjXnRj0BxiPU1CxANwIQ=' 
WHERE 
  key_id = '456400137ecba6b966320495274ea07dd19a7d595de8bbc0ad05fc60781efb0b' 
  AND (
    token = 'Tx2FnjvFvHd0sGA9Drsy6N2kjXnRj0BxiPU1CxANwIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )