UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Re714kwWAwlYrzVTjQBBe0jUE3VkepvXvkLpW2rCQhc=' 
WHERE 
  key_id = 'b2f63181a8eb21bb3b29ef592f499b6eca3717defcbca1a90994f6b176b5cdb6' 
  AND (
    token = 'Re714kwWAwlYrzVTjQBBe0jUE3VkepvXvkLpW2rCQhc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )