UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kp5ptfY1CRz9u1o68UGCB9YmZCC3YZbS/pqFJaXEPVs=' 
WHERE 
  key_id = '8123a6a547f14654093ea783f01694e907dd6f40bcd194f728bc0e090750b535' 
  AND (
    token = 'Kp5ptfY1CRz9u1o68UGCB9YmZCC3YZbS/pqFJaXEPVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )