UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MWIBUcX0zutxnUF+/u0ozZbb37ceVY1+C6PoXvoKcR0=' 
WHERE 
  key_id = 'd53e96b6e893cd968474779c934f2d5e4c356131c49e0abdac30038e9c07a936' 
  AND (
    token = 'MWIBUcX0zutxnUF+/u0ozZbb37ceVY1+C6PoXvoKcR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )