UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D3x9T/YIV9U54rFrOOwV0+ZI0XPA1P4RybyQl6CmNZM=' 
WHERE 
  key_id = 'a7bc7f165a08eac38df786efbdeada85965e1b398a5de7ffe5b42326f9cf321f' 
  AND (
    token = 'D3x9T/YIV9U54rFrOOwV0+ZI0XPA1P4RybyQl6CmNZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )