UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xN9eBJLb5iOuPFfDh4suuotb7WblYZsuz+iLC8ubL54=' 
WHERE 
  key_id = '760e1c582e43260d677d9ae71f8303591595ff54edf2fe60a6c95c9ccffc824e' 
  AND (
    token = 'xN9eBJLb5iOuPFfDh4suuotb7WblYZsuz+iLC8ubL54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )