UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdTIwS5YMMd4Csj0wqdim12NWamba6XaBcKujWHon0I=' 
WHERE 
  key_id = '92953159a7f067c09940e3f33e1c0f3e2e441a43e24dba81fc3a1b18cfa94998' 
  AND (
    token = 'mdTIwS5YMMd4Csj0wqdim12NWamba6XaBcKujWHon0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )