UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ks8Am23Y+qJa9TOGAvdD4TXKxajqegDV88GBEc+0F30=' 
WHERE 
  key_id = '6794ca61ab3835c8e83722ddbb45ee58dfeaa161bb763d447b457ca2e8a1cbca' 
  AND (
    token = 'ks8Am23Y+qJa9TOGAvdD4TXKxajqegDV88GBEc+0F30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )