UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O1kUwWzH4MW0QVGDPHaM3EymXgAqfvRFok1mZz6Mx/8=' 
WHERE 
  key_id = '729ee2334d96346351cf653462638270c4898d595d9968b808d47f63da814af4' 
  AND (
    token = 'O1kUwWzH4MW0QVGDPHaM3EymXgAqfvRFok1mZz6Mx/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030