UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5YktJAIZUAm2ahyVgNINx8cYvhkKn6NvTXCIXGsiGmY=' 
WHERE 
  key_id = 'ca78f8e1652fe739d490f45b6548a723650d17c59f67655b474f763757126e71' 
  AND (
    token = '5YktJAIZUAm2ahyVgNINx8cYvhkKn6NvTXCIXGsiGmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026