UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mhoxUR4Xk5z9og+4FXhQh9Zg3YeN4t1i0E1833lH9X4=' 
WHERE 
  key_id = 'a76c081007a770cea582ce37b13188f1ad4cac2d849de5fa04d6278b1e1d7ea1' 
  AND (
    token = 'mhoxUR4Xk5z9og+4FXhQh9Zg3YeN4t1i0E1833lH9X4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )