UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yGf5UCXFDmgO5nX1oz/mmzuRRtcLqZFd61Bu3Lh3Fqg=' 
WHERE 
  key_id = '6e39906628b0bfa3dd84ecd91824706706fb20bc6f292b392a29899259dee8a4' 
  AND (
    token = 'yGf5UCXFDmgO5nX1oz/mmzuRRtcLqZFd61Bu3Lh3Fqg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )