UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6+PKFu0z3eYhDZlEgkHljhPkhWU+liQIqZHjk4G75I=' 
WHERE 
  key_id = '02b95e8fac176ea62e283067d1aace5bbe019dc7b97b731755263b94f3ebbe13' 
  AND (
    token = 'k6+PKFu0z3eYhDZlEgkHljhPkhWU+liQIqZHjk4G75I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )