UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AlVg3M/aqN27ayrSTqq9mr4zvx0adFasHzfAakiEmdk=' 
WHERE 
  key_id = 'a646b68e80c8ba4c2e6910f810970cadfa08539029594926519c0832cd9f0f83' 
  AND (
    token = 'AlVg3M/aqN27ayrSTqq9mr4zvx0adFasHzfAakiEmdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )