UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nxy84rjPasWYj1TMGXsZ5U8BtLkc0sQo8bxgszTbQVY=' 
WHERE 
  key_id = 'a02aa7ec1cbc36a49e908da0266ffb245198dca438ea60eaa61a890479b395ce' 
  AND (
    token = 'nxy84rjPasWYj1TMGXsZ5U8BtLkc0sQo8bxgszTbQVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )