UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHzryfKOE6s88GSKPy1jGxFBqYEucV1LlXrqIwYIn/g=' 
WHERE 
  key_id = '39c2008d4ed82a8d4bcd31183be539c95ed23f8e811c3de0224e9969b79f1953' 
  AND (
    token = 'MHzryfKOE6s88GSKPy1jGxFBqYEucV1LlXrqIwYIn/g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )