UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IV/gjeN7Qa4l0ZxaBRMDZhwf7X3k3hLheAgbkwe2E9o=' 
WHERE 
  key_id = 'e8f1a6d8966b3ebda1be1d97b849ff231c36ce02128f992f5832ef58c504d2f5' 
  AND (
    token = 'IV/gjeN7Qa4l0ZxaBRMDZhwf7X3k3hLheAgbkwe2E9o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017