UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9bT+qPQFm3UM+Y4zZlLIsVKdLJzQJR8vudirlpvN55I=' 
WHERE 
  key_id = '68d4db810376a1a6426d91bc234e4a3d450b5903504f073f3166e0743f2e7928' 
  AND (
    token = '9bT+qPQFm3UM+Y4zZlLIsVKdLJzQJR8vudirlpvN55I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )