UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nlb/y0VLugoYegJMtqsWvp5oUwfk+krADNiq9UUpAUs=' 
WHERE 
  key_id = '39f3cdde03131fb6bfa2f85c823a50c3f175494d913c569b41c64d84684ea1a1' 
  AND (
    token = 'nlb/y0VLugoYegJMtqsWvp5oUwfk+krADNiq9UUpAUs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )