UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VG/W4XMcMN0qcyuUp5GqXigEt7jMCfsHOSOeKS8DoTU=' 
WHERE 
  key_id = '3c1527df527ff8b8602dc80782b0b12d64b6e36ef63496123fee3a27e7272c1f' 
  AND (
    token = 'VG/W4XMcMN0qcyuUp5GqXigEt7jMCfsHOSOeKS8DoTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )