UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fi4r3Mikz0VH3bZNBQbfxJp97GsKAIylc+iAGdmoQSQ=' 
WHERE 
  key_id = 'b28b4db129bd6c9973de4ff981939a460d88876df78b2b18642289fc2439d215' 
  AND (
    token = 'Fi4r3Mikz0VH3bZNBQbfxJp97GsKAIylc+iAGdmoQSQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )