UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8Z1P7sjMDRcZW7U55kOhuDzb3jhdD/YF2J5Y6Yxuz68=' 
WHERE 
  key_id = 'fc98fd9dcd6a07aeb5e0da6e49749ffcde210eef4377e7a2266c73481e85084f' 
  AND (
    token = '8Z1P7sjMDRcZW7U55kOhuDzb3jhdD/YF2J5Y6Yxuz68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00055