UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yfxSCNsQLAehB2ax+g8JSeKmccSFN9yKcw3kG7Hn/8c=' 
WHERE 
  key_id = '536c6e93ce021bcc172c86d14f449cf639eaedc8efb2945b94cbae3b0294ee41' 
  AND (
    token = 'yfxSCNsQLAehB2ax+g8JSeKmccSFN9yKcw3kG7Hn/8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )