UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WDKPBqiL1ufkBkOCfB6gBOkPl7bqoTIMtZOLu15IQtk=' 
WHERE 
  key_id = '281b0d8046bc2d1afcc77ab75f0459f0cfe0798036294a1c6916c6d3a141635c' 
  AND (
    token = 'WDKPBqiL1ufkBkOCfB6gBOkPl7bqoTIMtZOLu15IQtk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )