UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iwK6OeYu02TMC1TYraILDyWNa5KTDQqs3h7/flfg0EQ=' 
WHERE 
  key_id = '0668350b34dc78e968bbb3c9c139f537370558a64f52d579b60c4c66ba432660' 
  AND (
    token = 'iwK6OeYu02TMC1TYraILDyWNa5KTDQqs3h7/flfg0EQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )