UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PyVPoGTrrHZQstYuDhhMi51QbfbafS771/8wKxUOZW8=' 
WHERE 
  key_id = '15807eb532a984b53a5e55175128fe615450146efd448b4d8775b7d1250eb2ed' 
  AND (
    token = 'PyVPoGTrrHZQstYuDhhMi51QbfbafS771/8wKxUOZW8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )