UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mwcrXZ6RHalq58EIBn5ZaM6SEFaZcNgJpMgT1aaR7PA=' 
WHERE 
  key_id = '6e121b2273d782d9270a86d5854b7875ede6e7148f92245fc5b936d242735e7d' 
  AND (
    token = 'mwcrXZ6RHalq58EIBn5ZaM6SEFaZcNgJpMgT1aaR7PA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )