UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bXUWaTAMbqv2RihwWQ+SFy7b3ukYuApJpsBEVdY4/CA=' 
WHERE 
  key_id = 'c3023225e87fb8dcf8127646145df7927897681280527516a963c2159273a63a' 
  AND (
    token = 'bXUWaTAMbqv2RihwWQ+SFy7b3ukYuApJpsBEVdY4/CA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )