UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dxj1QpN4GbGZsVwdmgEYKwOdqyobHWm3K8ksdFEqNoQ=' 
WHERE 
  key_id = '4a521597ff7575a8c8e4505e8e62491d24633cb3fb0eab0aa7aa50e4e07b97af' 
  AND (
    token = 'dxj1QpN4GbGZsVwdmgEYKwOdqyobHWm3K8ksdFEqNoQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )