UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6yz3XgaiWdwarQ9LRATNqo1jrSUnognXBBHEshaO364=' 
WHERE 
  key_id = '155fa118fe88ce20a6adce186002a2b510ee4decc9e02fdcddd5957de727f44f' 
  AND (
    token = '6yz3XgaiWdwarQ9LRATNqo1jrSUnognXBBHEshaO364=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )