UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vrL5YNko7+Aykf3m2J2ZHAhupSvYMziea7tARuzTkUw=' 
WHERE 
  key_id = 'e20e812b0f842d8eb6adc08f2e0692ef5f2f9774e73fd30f5a60484fa3913ad7' 
  AND (
    token = 'vrL5YNko7+Aykf3m2J2ZHAhupSvYMziea7tARuzTkUw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )