UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iS1Q/h8MCqU/gC1bd1hBWZuKKXXbge0W5FItP/LSbls=' 
WHERE 
  key_id = 'ff59ff13b81903c2817fa5f29c08738917baca3eea4896eb2d99a93d58089d79' 
  AND (
    token = 'iS1Q/h8MCqU/gC1bd1hBWZuKKXXbge0W5FItP/LSbls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )