UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q6iIyw32wICWvCppfD8CGnIT9UFxdmxqTwdz5TyoHgo=' 
WHERE 
  key_id = '66e27f41950db7c26178709419a8e3f2ca881306f284d75eb1864c0fff391736' 
  AND (
    token = 'q6iIyw32wICWvCppfD8CGnIT9UFxdmxqTwdz5TyoHgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )