UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W4CEwoqQu8PeoFBVBaMpkl/5GLIuRHvXFrETQH/nROw=' 
WHERE 
  key_id = '838d4f51d6ba2965c101b42d3099413046f6d5a27797a1abc10a583bdfed6f81' 
  AND (
    token = 'W4CEwoqQu8PeoFBVBaMpkl/5GLIuRHvXFrETQH/nROw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )