UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'md638qrLbIkrptQ9O1DI+lFOF+Rs+aLrHBhXfWO3+TU=' 
WHERE 
  key_id = 'a4a6f924d627a26661dd7a28d80bfbefd20cc2e7096c00c8150b9ee24ab3a2c6' 
  AND (
    token = 'md638qrLbIkrptQ9O1DI+lFOF+Rs+aLrHBhXfWO3+TU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )