UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Oy3BfEpFI9aShIeU9HNZt74UAZLzNH28W5H2vNjvV4c=' 
WHERE 
  key_id = '306cd837ac554e5a84d07e41ad15bc034113807d3b1c654e2552f14aec614436' 
  AND (
    token = 'Oy3BfEpFI9aShIeU9HNZt74UAZLzNH28W5H2vNjvV4c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )