UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dmlPC1j75m9O5+bREuC8RqYYJ5F+U7nb8zK+Lz//tfs=' 
WHERE 
  key_id = '78e57f93b52a8b7fec3d985113215d55ac2dd6d4efede9c4bd780da7cdaaa419' 
  AND (
    token = 'dmlPC1j75m9O5+bREuC8RqYYJ5F+U7nb8zK+Lz//tfs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )