UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qWGRYVdD8UeijfvCiNzV6S3x1uZ2G0ew/xX6+R11qwU=' 
WHERE 
  key_id = '3a795818556369cf7a8c4b3104cf9f31619c593237d0258e5a2bb27231dba842' 
  AND (
    token = 'qWGRYVdD8UeijfvCiNzV6S3x1uZ2G0ew/xX6+R11qwU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )