UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l2kjXLFFw7Yq0GM2/KMDO3yWqhpBj2PJoTJ64Ov5/rk=' 
WHERE 
  key_id = '51738af2627ff590926d31372dfaa86aa187f07d93d88534168321c8cb89cb80' 
  AND (
    token = 'l2kjXLFFw7Yq0GM2/KMDO3yWqhpBj2PJoTJ64Ov5/rk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )