UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qwXrClnXFHO3fye3ALMfHOKhg1qbtIFZu4q4mgrgx5Y=' 
WHERE 
  key_id = 'd6fccf925ec15a14ef771bcbebe842d8f0c63976efb0eb4a89cc067a8557a399' 
  AND (
    token = 'qwXrClnXFHO3fye3ALMfHOKhg1qbtIFZu4q4mgrgx5Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022