UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k2cXHgCc/wgCw7w+tkdg+vfr3EqYdOsXT4bp2rBfjT0=' 
WHERE 
  key_id = '4ae28ff12abda6010d5169406310432d430e60c05e8b6f2e9b265dd75d4111ca' 
  AND (
    token = 'k2cXHgCc/wgCw7w+tkdg+vfr3EqYdOsXT4bp2rBfjT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )