UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aM2LtW936orWE1gqQwIfwDGmglzo23ipbm9JWLDZCRk=' 
WHERE 
  key_id = '4b99a3d29cb63227e2b03d73ca66547a09cc75809b469b5eb12d0814810ce2cb' 
  AND (
    token = 'aM2LtW936orWE1gqQwIfwDGmglzo23ipbm9JWLDZCRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )