UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zAHSP6mtG9hXhB7/yQOsoN5yuL1OktQqzRSjc7XjMww=' 
WHERE 
  key_id = '1c50b8cfea9dadcb929654f4f660c3e9b0e8d7f210975a3cebc779a68fe47292' 
  AND (
    token = 'zAHSP6mtG9hXhB7/yQOsoN5yuL1OktQqzRSjc7XjMww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )