UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gp3n1dwt82+zWym9FysmJTbjPomsmmUBhUk36RgEktY=' 
WHERE 
  key_id = '6391f6326a36876dea2c06c747f444df2fbcb3369461d79ab98ebd75f07f374f' 
  AND (
    token = 'Gp3n1dwt82+zWym9FysmJTbjPomsmmUBhUk36RgEktY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )