UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dRFrKnFHDgWNqcL3SPTF3nftkj71SydspWQKXPHkdZQ=' 
WHERE 
  key_id = '51bf316634d4244393abef4ce4bb353a9f53b2baea18247e9b6e28c86272f010' 
  AND (
    token = 'dRFrKnFHDgWNqcL3SPTF3nftkj71SydspWQKXPHkdZQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )