UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xpbUvXdiqrcPR26a183ISafx0RU7otSMsz9kaiQZsNY=' 
WHERE 
  key_id = '7751a689ed77ff3887e21ae640ba37dc5bad5bcf787980a511c55b62e8efde5d' 
  AND (
    token = 'xpbUvXdiqrcPR26a183ISafx0RU7otSMsz9kaiQZsNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )