UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ia91WAmi0IupIw+YxAxcE2NrV22G15hhKS7oYDwh4lk=' 
WHERE 
  key_id = 'f5fd5825d3d309da8fffb67ef94a7e5b28d2db714f589c9b96947f63fda0d530' 
  AND (
    token = 'ia91WAmi0IupIw+YxAxcE2NrV22G15hhKS7oYDwh4lk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034