UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'snp8LGtCDz12mdIH1D1kfelhtfj2vVoD9lL5t1Z62XI=' 
WHERE 
  key_id = '50645c426ea444f66179a3f965cb1b4a9dc8fbf980912bd6e6c7c36bbc3022e2' 
  AND (
    token = 'snp8LGtCDz12mdIH1D1kfelhtfj2vVoD9lL5t1Z62XI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )