UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D0Uqh4qbwgVRlfHuvqvdjJii+ZgyE0R3/cBnK1X75Sk=' 
WHERE 
  key_id = '6fb33130633ba7debe042f0db5d081e5c2a48d9a7c0a42886a873d8ad3a9f5ad' 
  AND (
    token = 'D0Uqh4qbwgVRlfHuvqvdjJii+ZgyE0R3/cBnK1X75Sk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023