UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gHxqF6AtUsnJivflI7qazZAAyb9awzPVmsmfO+nE7FE=' 
WHERE 
  key_id = '956433321819f01721aaef880177532fdcc2d83c18fbc184f6aee20041887123' 
  AND (
    token = 'gHxqF6AtUsnJivflI7qazZAAyb9awzPVmsmfO+nE7FE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )