UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eReGgSrqU/kqiLWDe3XuhtghWAvHxN91ucCqmu35BmI=' 
WHERE 
  key_id = 'b5459a9760c2711f4b70dbce9351df21c8c1907033d46310a7ceb0292a1c1472' 
  AND (
    token = 'eReGgSrqU/kqiLWDe3XuhtghWAvHxN91ucCqmu35BmI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )