UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gBWVKGW2gbj9VFcsbNyMmz7027NFYNByKY/Y1zHsefI=' 
WHERE 
  key_id = '5c070e9ef8e5f7af5148c337c3fb554291a011caa4deebdea385e6d8bef77ebc' 
  AND (
    token = 'gBWVKGW2gbj9VFcsbNyMmz7027NFYNByKY/Y1zHsefI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00049