UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IqEFklbPgxDn1aUJCSEtsUtAy1atD3oX79vT+tPY2EU=' 
WHERE 
  key_id = '797b93e60f23f3d194a724b574ca2060a004b33a840f898479e056a190a712ec' 
  AND (
    token = 'IqEFklbPgxDn1aUJCSEtsUtAy1atD3oX79vT+tPY2EU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )