UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k8ZNmCR5O33NgUUKaGLXNxjncaOrqFetq8poeVWLIQc=' 
WHERE 
  key_id = '5181391b7c2d7ed19d89a9a2238f9f66eaa9a49188c99c40673655fdf042836c' 
  AND (
    token = 'k8ZNmCR5O33NgUUKaGLXNxjncaOrqFetq8poeVWLIQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )