UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vk6fa3NpFzDao8WEv5uOLIlF9z8nzc3/vWetWWN3lmE=' 
WHERE 
  key_id = '7e6a9fd5d49af9977e2264a091705f48fcaffb99df498b89e3cad1a6c4d72d7e' 
  AND (
    token = 'Vk6fa3NpFzDao8WEv5uOLIlF9z8nzc3/vWetWWN3lmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )