UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4uLoDsMKm1T3VNT4asguY7V3Vxrk5r9N2AEioMWW2Q=' 
WHERE 
  key_id = '81b683794ee5dca5c17c3c4aad0cacc7b2bbb8aba5183030d112dc00635e00e6' 
  AND (
    token = 'n4uLoDsMKm1T3VNT4asguY7V3Vxrk5r9N2AEioMWW2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )