UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGUJwuoCsfBHDa5cYliUOsWZLQaVaMn4ovbNyLEXd7w=' 
WHERE 
  key_id = 'b6e0f7686de4f34cf197d240cac4abc83ca6b59f1d970e2914d3f6802dcfe124' 
  AND (
    token = 'MGUJwuoCsfBHDa5cYliUOsWZLQaVaMn4ovbNyLEXd7w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )