UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WvOi2/4aJjjSQ8TMKznZ9zY9i+asszOD6VkA1bXUBm0=' 
WHERE 
  key_id = '89fc0e8a5a258a9b63d2881433a1c4c9c6971d8ab5e33b5982f9355c953581d0' 
  AND (
    token = 'WvOi2/4aJjjSQ8TMKznZ9zY9i+asszOD6VkA1bXUBm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )