UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PLkmeP2rErHzkil3sfVR6X78VUGd4flolHZvohOIiEs=' 
WHERE 
  key_id = '75a520b115110dd97970abea51f8924541b8b7efeb8263172937c47ee99bb2e0' 
  AND (
    token = 'PLkmeP2rErHzkil3sfVR6X78VUGd4flolHZvohOIiEs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )