UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxqQgkdZ1jt+KpWk0yrX49t6NTIpwMloQU1KqwiptRI=' 
WHERE 
  key_id = '339d23eb88bba7960eb59415f5169673763b5dfa1236f7418bd9c028f0c1856d' 
  AND (
    token = 'PxqQgkdZ1jt+KpWk0yrX49t6NTIpwMloQU1KqwiptRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )