UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i5P/EUPRnw1WbWLN2DklCAAIbLq3rY+l77dq7vPfJho=' 
WHERE 
  key_id = '286b2620d4f89d02860d6b569667b54779988725365335eb5fa72136d5490741' 
  AND (
    token = 'i5P/EUPRnw1WbWLN2DklCAAIbLq3rY+l77dq7vPfJho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )