UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iVkh/PKU4fGIj+0GlZKZmCGg6ub3sgr6OSiwTYg1dIY=' 
WHERE 
  key_id = '9ae9dca4ae8e011cf4c96da7a643cddf0ac2e307a444e521a54562351a34fb76' 
  AND (
    token = 'iVkh/PKU4fGIj+0GlZKZmCGg6ub3sgr6OSiwTYg1dIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )