UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8p7h05tHZkIWmlBJdxvP5IbHTX+TD88qvtCsm4Tkh30=' 
WHERE 
  key_id = 'b6991ca0fac07f4dccc3c5da4172aeed6576527c040eb3a484999af4b0eb9c39' 
  AND (
    token = '8p7h05tHZkIWmlBJdxvP5IbHTX+TD88qvtCsm4Tkh30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )