UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xfzbYKvC+Cd7gdmRuTqXXOhfo8vCKZoe4FdHfqDcDU=' 
WHERE 
  key_id = 'bb5735b95700f6250c21d393d7bf4f52e1a7a82373db638db2026722907155fd' 
  AND (
    token = '6xfzbYKvC+Cd7gdmRuTqXXOhfo8vCKZoe4FdHfqDcDU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )