UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SiMfbJl159Om2UDJshZhHnRbCa9OVxf9pGZvawPuwwM=' 
WHERE 
  key_id = '50e3e3c8b7806b204d44191cbb3f08beaee91b3c807acdef5b674db077f21488' 
  AND (
    token = 'SiMfbJl159Om2UDJshZhHnRbCa9OVxf9pGZvawPuwwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )