UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UGnH8aSfkvbwfS3htIjuDszIYqcOCKcU7bBgoESSsjY=' 
WHERE 
  key_id = '8a510ca57c17c28081f3dc899843e7d31774f5dcbc54273514f11731b81399c2' 
  AND (
    token = 'UGnH8aSfkvbwfS3htIjuDszIYqcOCKcU7bBgoESSsjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )