UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TD2v0RRpTiOSD/q+Yx/ZKf86tn7v+WyBHimuBGReH2Y=' 
WHERE 
  key_id = '5b00de746d3fa3fb583ade3eb28b9f6170b6f0094fa1b857595383046471b4c4' 
  AND (
    token = 'TD2v0RRpTiOSD/q+Yx/ZKf86tn7v+WyBHimuBGReH2Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039