UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QNnNCfdzsFAicjZExjl3UR4ADxlNiwL6lSKhbuXUPNk=' 
WHERE 
  key_id = '84c115a44307f15b5fb722548da0be1b809019fcd69a0fc4b12a0789b3024900' 
  AND (
    token = 'QNnNCfdzsFAicjZExjl3UR4ADxlNiwL6lSKhbuXUPNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )