UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51SQOQOxpOv+eSywLy8ayr9EiAM5AdiKc1PG9/iu0yQ=' 
WHERE 
  key_id = 'be106beffd7950020ac9f088e25468ddc467481fa1b005e967a4d74b7b713b70' 
  AND (
    token = '51SQOQOxpOv+eSywLy8ayr9EiAM5AdiKc1PG9/iu0yQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )