UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4t8InqFTvB3TPCZlf9YnqjqWcoXTK+3r3chYAKzP8Kc=' 
WHERE 
  key_id = '768b76760c1e00a1bd93d7f2eb8fa84b684c2d0285bfff69594b91da7f11d37d' 
  AND (
    token = '4t8InqFTvB3TPCZlf9YnqjqWcoXTK+3r3chYAKzP8Kc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )