UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PQUr76BK7JgMDZuLwZsknT1a4wUXO3HDOWfF1R3VONc=' 
WHERE 
  key_id = 'a2b1b7c941917515f33aac871f6df1d806a23852ed60a0db95e6b60fd4e080c5' 
  AND (
    token = 'PQUr76BK7JgMDZuLwZsknT1a4wUXO3HDOWfF1R3VONc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )