UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eI5cC/5XRZw3bBOoXPCmxQ0Utyj0oamoBDTKl+a7AGo=' 
WHERE 
  key_id = '740358405e9878f93b8a9a0a4b9d6caa11803fdbbff8c54e6567c97ddf433a20' 
  AND (
    token = 'eI5cC/5XRZw3bBOoXPCmxQ0Utyj0oamoBDTKl+a7AGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025