UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AT+2qzkOJEOIrZEd4m1pnQ/LjxW9QahBMOitaan2ojI=' 
WHERE 
  key_id = '4f4f9943d7cfedfd0803f4b18db234b9ec94211c7f6d3addd429bb46a3e39862' 
  AND (
    token = 'AT+2qzkOJEOIrZEd4m1pnQ/LjxW9QahBMOitaan2ojI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028