UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dNqJvDmX/XNYK0HslJJYRIgVR4399x7rWRoeBDxM1lU=' 
WHERE 
  key_id = '8e81f766d1e0b27ccabaf96e8c1d5debc599420a11bace84c52af0b190a5169f' 
  AND (
    token = 'dNqJvDmX/XNYK0HslJJYRIgVR4399x7rWRoeBDxM1lU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )