UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'htop4aFQCA1CMEJhhz76mZzw0ZxgLEUHqs51HKOfZPU=' 
WHERE 
  key_id = '4d9c1a6f798dc1cd34ff1c9c6fc9e51b600e481d2246e674a455cf043f87bb28' 
  AND (
    token = 'htop4aFQCA1CMEJhhz76mZzw0ZxgLEUHqs51HKOfZPU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )