UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r1QMJ75AYZ6xehJLO6veMUv3aIBXJ/8Qme/2H4MRx/Y=' 
WHERE 
  key_id = '21f19aa08795389af9fdfbc4fc128ed65d93ff280b3343e05f169e492242ce9b' 
  AND (
    token = 'r1QMJ75AYZ6xehJLO6veMUv3aIBXJ/8Qme/2H4MRx/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )