UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ar5vPfCy8sXuXyEnCgg5IzgezVTQU3TSiEt94G+Vfws=' 
WHERE 
  key_id = '6559c3abec2a528aff0e84648c84f7350a139fe88dee43055253135957ca7d28' 
  AND (
    token = 'Ar5vPfCy8sXuXyEnCgg5IzgezVTQU3TSiEt94G+Vfws=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )