UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w6/NtrDQeY6G7S+E4dGQNf0bPqzahfzmoQi9iknFDEY=' 
WHERE 
  key_id = '266b1b903d4d30a103a154516f9af16e0b6285e3ad4faa0639b773c16f9bf6e8' 
  AND (
    token = 'w6/NtrDQeY6G7S+E4dGQNf0bPqzahfzmoQi9iknFDEY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )