UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r41jrvDlG/NX6Fv9bt/CVhOcZjQAUJYaeF+o/FgjSa0=' 
WHERE 
  key_id = '4a2075b19949f658c2e813196d5a7f7f1d4edffb9512014a9679a2b8939ec871' 
  AND (
    token = 'r41jrvDlG/NX6Fv9bt/CVhOcZjQAUJYaeF+o/FgjSa0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )