UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l9XYIL6tbu6G7TdbE+/on8EgZm9ztoxauIRtnZHxNMk=' 
WHERE 
  key_id = 'f7c62db7b3cfa64f33da9725af1439402419130d57fef077ec97c190439233df' 
  AND (
    token = 'l9XYIL6tbu6G7TdbE+/on8EgZm9ztoxauIRtnZHxNMk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )