UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vJZhPaENJFrNrsQqmEyewFQ/+uePB8TXrf4wO0QtD0E=' 
WHERE 
  key_id = '42c51664a935cbf739aba3d34f5697d4ec72ce535575b427c0de307d8727e810' 
  AND (
    token = 'vJZhPaENJFrNrsQqmEyewFQ/+uePB8TXrf4wO0QtD0E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )