UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c4ZILjqNj5bBAcziQiSlT9m1tS9xIYsROSz9WHlEBwo=' 
WHERE 
  key_id = '8ebcebb4ba5ee6cdd484da2c329b715859243c710f6eda27f84c66ab81e15bf6' 
  AND (
    token = 'c4ZILjqNj5bBAcziQiSlT9m1tS9xIYsROSz9WHlEBwo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )