UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YPTJyOTya0Uddnnk1pstEEwce99LNIcmYka8ehdTk4k=' 
WHERE 
  key_id = 'fb89863ea602f12cadad02c1c964ec403c090678a2289175e3bd5199aa954b76' 
  AND (
    token = 'YPTJyOTya0Uddnnk1pstEEwce99LNIcmYka8ehdTk4k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )