UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QaO4mj+4h0xacwLeNunEjSPePHFZXZj0zw5fYV0kRV8=' 
WHERE 
  key_id = '6404603c28481d67ed8255de422771cdbc4245da81eb09cb5ca8d7e44afab759' 
  AND (
    token = 'QaO4mj+4h0xacwLeNunEjSPePHFZXZj0zw5fYV0kRV8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )