UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bhzekesaRRF6EDIr0XRXsLTAnF9aecc6o5BTYgPVjM8=' 
WHERE 
  key_id = '73d16267e24502f2d7646ef4dc512f7583464127a200f66e9cf1ec1231d28a5b' 
  AND (
    token = 'bhzekesaRRF6EDIr0XRXsLTAnF9aecc6o5BTYgPVjM8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00048