UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oWe7nVHohMyJiV3QfAbXP1LXeJRaUkDOKv9n/iJgVwo=' 
WHERE 
  key_id = '310f60b0dff2623b74524d59ff56f8ffe4fbabdd0011d6fd82d052b68746355f' 
  AND (
    token = 'oWe7nVHohMyJiV3QfAbXP1LXeJRaUkDOKv9n/iJgVwo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033