UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJln91Tl0tU3RyJ/BIBcQkmqk+UWzwMFdCq3+HuZLT4=' 
WHERE 
  key_id = 'ad4645fdf6b2d9519674885e4a4b751e37a5ab3932e2438a89cd08c76b13ae4f' 
  AND (
    token = 'MJln91Tl0tU3RyJ/BIBcQkmqk+UWzwMFdCq3+HuZLT4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )