UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rNS6GMe71hU7iX34EDjEjJPxZFF0E1T9myYA3ZeO7do=' 
WHERE 
  key_id = 'a4dc91a5d88ba00494c9fc174e20e11a4a55550bc13cbe4c0a19f327ae6c4021' 
  AND (
    token = 'rNS6GMe71hU7iX34EDjEjJPxZFF0E1T9myYA3ZeO7do=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )