UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JM2gI/elbi8uYR07oZlf0RJkE5rKXUsen8GUBSCdFYU=' 
WHERE 
  key_id = 'cec7859f12c9f950038fbd4e3c232966ef95bfed07a741235fee7cc4c974fc3f' 
  AND (
    token = 'JM2gI/elbi8uYR07oZlf0RJkE5rKXUsen8GUBSCdFYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029