UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yjuaQ/IwGYkkWwWrVJPl5w4lZz5PNNjDdN+DGvvkjew=' 
WHERE 
  key_id = '4c852eb19b00fcdfe248cf4c1b30b047d36f2f2a5dc4d0d312e52605d478f8fb' 
  AND (
    token = 'yjuaQ/IwGYkkWwWrVJPl5w4lZz5PNNjDdN+DGvvkjew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )