UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EjWncv53VOzMjbZnULtz+F/FfxCyKZ0jtz+1R/WKUAk=' 
WHERE 
  key_id = '1c8df60a631fae6a1f1a75c4776b64fa50d02f77b2887e8ad8d60b865067ef5c' 
  AND (
    token = 'EjWncv53VOzMjbZnULtz+F/FfxCyKZ0jtz+1R/WKUAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )