UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J/bdddfeSBOJJajxtmyCdBU5IU0scGOLTkpcz+myfO0=' 
WHERE 
  key_id = '4a8981977d111216413e87baf1c9913ef258eef2583e66ae78556934f7e15b99' 
  AND (
    token = 'J/bdddfeSBOJJajxtmyCdBU5IU0scGOLTkpcz+myfO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )