UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6oiw1tF6zmZ11BA0XJj7QqPfgTmRu0p4/Ay8dB77HE=' 
WHERE 
  key_id = '8bac964215e15feb26f9c90e984d2b49500d9e08a551a95bd5af1b5ae2d9fb5b' 
  AND (
    token = 'r6oiw1tF6zmZ11BA0XJj7QqPfgTmRu0p4/Ay8dB77HE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )