UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cXDhmmTA3pPLqoGEqnxfbiBq1Y4gsmIVclzHnTGiej8=' 
WHERE 
  key_id = '9e2753de8c2a745e89785f5686703f15f47188792edb14802233715aa0363a86' 
  AND (
    token = 'cXDhmmTA3pPLqoGEqnxfbiBq1Y4gsmIVclzHnTGiej8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )