UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't6vSFe4f5c/p/rAfS8wA7Yg8hTo47R8S7jJvXB1/i5s=' 
WHERE 
  key_id = '1b6788d09f9888b6ef0d6d767aa6d8a640a0f54c756519d972b5c57a6ae8c585' 
  AND (
    token = 't6vSFe4f5c/p/rAfS8wA7Yg8hTo47R8S7jJvXB1/i5s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )