UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gk+3t/lm5X5SvEOHmTD31tfwJeJCAWgVw5qciorVbsY=' 
WHERE 
  key_id = 'f18529ad1dc7136065509e646606d3b15749876c8210e9ab2ad697a45f817ab9' 
  AND (
    token = 'Gk+3t/lm5X5SvEOHmTD31tfwJeJCAWgVw5qciorVbsY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )