UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YN/QDC6bhtJgd0GOhxZnE5qvck+/+QbVPdBUnv+c+YI=' 
WHERE 
  key_id = '0f28657581c194123b6c07891da6b6178502e6d7402794242387833eea0847a8' 
  AND (
    token = 'YN/QDC6bhtJgd0GOhxZnE5qvck+/+QbVPdBUnv+c+YI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026