UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vnQfI4pUKJq/3zyS/Z9xfp4ohiW224mfO+7N1+pf510=' 
WHERE 
  key_id = '68291af7caab9811a206d200f8f571f1947180764bba1c014ef58c9623f8492e' 
  AND (
    token = 'vnQfI4pUKJq/3zyS/Z9xfp4ohiW224mfO+7N1+pf510=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )