UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5EPDFc5KgTtSdRjjdsWOuDR1RsgMaiehiRuCPPlkxzY=' 
WHERE 
  key_id = '18a5a6cabc1e565a5a2866e30410670de9d5cbaf90d90932760bc0fb2e52ca56' 
  AND (
    token = '5EPDFc5KgTtSdRjjdsWOuDR1RsgMaiehiRuCPPlkxzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )