UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EpvcRlgNnQ5rSPgtJv8j56YeU1y+tUwBDezIhsXiYNs=' 
WHERE 
  key_id = 'c02b953798d51669f861d26c9d1c7978690218ca71831c278570687d72c74e86' 
  AND (
    token = 'EpvcRlgNnQ5rSPgtJv8j56YeU1y+tUwBDezIhsXiYNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )