UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K40F9131ZX8PCw37hkmXZYA2J7BIi+Fo7HTLAvlws3M=' 
WHERE 
  key_id = '7c7fb0835c6c5d445291735995f2cea7e1af597591a4a46638a8fd583debf240' 
  AND (
    token = 'K40F9131ZX8PCw37hkmXZYA2J7BIi+Fo7HTLAvlws3M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )