UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '83fEq3s3F0rPWg5CfKMldVeA3sf0H+6GfFkSRfEIK/8=' 
WHERE 
  key_id = 'c2ca96555f1c031b56d0fac262a956283cf8bec0c9a48943024cb24f2445b470' 
  AND (
    token = '83fEq3s3F0rPWg5CfKMldVeA3sf0H+6GfFkSRfEIK/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )