UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dEpjpcStBM3VtQO91AqXREaWY+yrlu12vlqUPEZR9Bk=' 
WHERE 
  key_id = '79ce2f263e15dea8a7e26c26b32009489393e4f793b6e07172bb61e4179004aa' 
  AND (
    token = 'dEpjpcStBM3VtQO91AqXREaWY+yrlu12vlqUPEZR9Bk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )