UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nqYn9/LuBlHIWj0mPY4NeNHBcilvzZ9yX7nyBG6tcxk=' 
WHERE 
  key_id = 'ad35f11a2949e6ba76fa88b689e149a1384d0e9df119c2c378553910145dd7fb' 
  AND (
    token = 'nqYn9/LuBlHIWj0mPY4NeNHBcilvzZ9yX7nyBG6tcxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )