UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D9bEaf63uzN1n8vAhfJ10UlAhrGqCMLJ77hIFcc+yhc=' 
WHERE 
  key_id = 'f6c8b7e2af74fb031ffe97a856066c9f2c40b149625620ece4fa06c207a1bab8' 
  AND (
    token = 'D9bEaf63uzN1n8vAhfJ10UlAhrGqCMLJ77hIFcc+yhc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )