UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRpKgUjNFuDExfckdfBpIopJyMkezz8ouuvjnsToUOU=' 
WHERE 
  key_id = '1146b75a497e6a6aacd8a79a273ed6cbccd6d163792e3bd1827cd9ad0115dedf' 
  AND (
    token = 'MRpKgUjNFuDExfckdfBpIopJyMkezz8ouuvjnsToUOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )