UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4Fh45LRXtU8FeH3fQNODy6kw13AWv+np2rZYSM6cvY=' 
WHERE 
  key_id = 'b4c05439aa0d76fb8aaeaaaf7524f2f8b4c2fd55c30d2010c683e16755752d35' 
  AND (
    token = 'a4Fh45LRXtU8FeH3fQNODy6kw13AWv+np2rZYSM6cvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )