UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mkWuhIyATbDIH5KMVil5q973yEE1oDuKZWnXGYdZA+s=' 
WHERE 
  key_id = '97a5aa31b66335dc97e36360a21b7c1bfbc79fe3ba0a5cfd92f67cbfc21badf4' 
  AND (
    token = 'mkWuhIyATbDIH5KMVil5q973yEE1oDuKZWnXGYdZA+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )