UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3FfNAKUpxjY5sw1pZvg3LR4qYB4ETt6jgwCkAOUkyLc=' 
WHERE 
  key_id = 'f8e75962d8eec1fe284a568da768062a168124f6b19e520d154e5c884ef59239' 
  AND (
    token = '3FfNAKUpxjY5sw1pZvg3LR4qYB4ETt6jgwCkAOUkyLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )