UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PG9B930mMbMcLkrKgua9kBZeG7T1lTATdLTetwRglig=' 
WHERE 
  key_id = '4adab93a72ebd04c771be1978b54d8c278c7df511cb123d5e31fcb92dd7bc7fd' 
  AND (
    token = 'PG9B930mMbMcLkrKgua9kBZeG7T1lTATdLTetwRglig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )