UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51OylwOTYXQmMDyvEIXCse0umamjgKaMAmggjKpizyo=' 
WHERE 
  key_id = 'c4aa46ee7f211159dd3b16498cddaee767cc6e37e0f1482843e813724177b539' 
  AND (
    token = '51OylwOTYXQmMDyvEIXCse0umamjgKaMAmggjKpizyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )