UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xevNWlZAZChTqkTCnAbgkc0CbGKMIApXqg7xcl8vZ0=' 
WHERE 
  key_id = '99f12e4f6df46b793f85d893a0205ec90a903111de0f974c5d89e1b8c50a0390' 
  AND (
    token = '6xevNWlZAZChTqkTCnAbgkc0CbGKMIApXqg7xcl8vZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )