UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mThPx2rWwsgtICSt3JLh9UOogOPCiSt/Fo2FgLHVsQ0=' 
WHERE 
  key_id = '14e28314efb2923132ffa0311a6ee53928585f4431c398531b876eadeb12c571' 
  AND (
    token = 'mThPx2rWwsgtICSt3JLh9UOogOPCiSt/Fo2FgLHVsQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )