UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+VvCkGjY1RmDyF0HpiqitoK1G4y5oCEO5Qye2Z66xOQ=' 
WHERE 
  key_id = '781ffa51498f22ae2578087c63a9063a92045dac2280de5b2c9043c825a63243' 
  AND (
    token = '+VvCkGjY1RmDyF0HpiqitoK1G4y5oCEO5Qye2Z66xOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )