UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r21QNWdNvkc1GB0+k/dTr2jPqga+UTbyq0JdmazBZqc=' 
WHERE 
  key_id = '1e43a92a84360b7c7f967dd44000d4d1a9f0b6b3704d33eb436e50649ff250f7' 
  AND (
    token = 'r21QNWdNvkc1GB0+k/dTr2jPqga+UTbyq0JdmazBZqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )