UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8IOwSrw3MLukM4aEGxSchdwYVhkVIkYGD0ZtQNnlPc=' 
WHERE 
  key_id = 'e41782cc3b0a9f6a181c29d53007d450f9adb158967912bc81c3feda0d2b348c' 
  AND (
    token = 'r8IOwSrw3MLukM4aEGxSchdwYVhkVIkYGD0ZtQNnlPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )