UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6lFtl7iDuKH7VYd/x8ocz/5WpxkkVEnwV8AcyF3/tc=' 
WHERE 
  key_id = '5c7e8c9512962ef11844ca432384802e716bacecb67db99d08679a53eab092fc' 
  AND (
    token = 'u6lFtl7iDuKH7VYd/x8ocz/5WpxkkVEnwV8AcyF3/tc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )