UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pOBpmk6WJ0gZKnzPGcFFHIVSVk9JITAOTxLGlg3jXXg=' 
WHERE 
  key_id = '994a446612c2daa1e15cb02d5ac08af87284917836181b568da5d7572d6f1368' 
  AND (
    token = 'pOBpmk6WJ0gZKnzPGcFFHIVSVk9JITAOTxLGlg3jXXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )