UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pXx/1GohvVMPN+z+dx4JYw0Btf4EbLTrfzV7G6NvLRk=' 
WHERE 
  key_id = '2b5c94401cc0450e1d3a302833020202feb5f06d95145b3fb8c2ce4fa12fef09' 
  AND (
    token = 'pXx/1GohvVMPN+z+dx4JYw0Btf4EbLTrfzV7G6NvLRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )