UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+/EFzsmQ8DxzBZYelifVr1Feslttthq5lC/v46k9Gqk=' 
WHERE 
  key_id = 'e86949c1a7d42c2b00336a48299667d0b9256449094d16e239c3e401a97c5889' 
  AND (
    token = '+/EFzsmQ8DxzBZYelifVr1Feslttthq5lC/v46k9Gqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )