UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3m+Cz0xxxSi7rvA5X/VfFjOSIel7qiDgGyLNmZRF17o=' 
WHERE 
  key_id = 'c55ac6364d9854a15ae08ebd68133b6e026823cffc96fbb46154bf175809d6ab' 
  AND (
    token = '3m+Cz0xxxSi7rvA5X/VfFjOSIel7qiDgGyLNmZRF17o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )