UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nPUjf8M5uFsb2L8gW6koQWYJj4gaYixouYWfYBjQFQw=' 
WHERE 
  key_id = '6d933791d6e84a0f5ee8313447139faa375bf41e436c5b1501ef52d49f387460' 
  AND (
    token = 'nPUjf8M5uFsb2L8gW6koQWYJj4gaYixouYWfYBjQFQw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )