UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51c6ojBLE3iLPGN8XdP6KbQF492si94Vuk5aKWJyNYU=' 
WHERE 
  key_id = 'a3af2ec9d496073b3c4f812624eec38e6155efea6f858d0df6b8e73774677692' 
  AND (
    token = '51c6ojBLE3iLPGN8XdP6KbQF492si94Vuk5aKWJyNYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )