UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RaKviX3BlYraMQwQP8keOjwLihjBzy3GNxPDBR9MK5A=' 
WHERE 
  key_id = '87a5e2df8e5773286d766bd342c4be173369720d889365be58509618f7991e64' 
  AND (
    token = 'RaKviX3BlYraMQwQP8keOjwLihjBzy3GNxPDBR9MK5A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )