UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CTFPg5fvSlCfd15GRXEK46q7gBlSfzXDN/cidAGQfBg=' 
WHERE 
  key_id = 'e68d7b5f6599bff51886a73046db9c1e552585b315809584138c2a63435eadc9' 
  AND (
    token = 'CTFPg5fvSlCfd15GRXEK46q7gBlSfzXDN/cidAGQfBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )