UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZXtbvUJEnZq5HKH+x1Cl9DpqZFnEaOBbTkgBLOwbD6w=' 
WHERE 
  key_id = 'bb1c78a3bacddd242cd5c4edad14e7ba802abdd63989591668fbd9caed017866' 
  AND (
    token = 'ZXtbvUJEnZq5HKH+x1Cl9DpqZFnEaOBbTkgBLOwbD6w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )