UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c7hExXeDZ8KO/3bKyfZc53cppDdUyq38tCBZjvNyyyM=' 
WHERE 
  key_id = '6878cb221627f7eb7c60253e10b5f7e3100c58351b1d577ded8247a2757eb170' 
  AND (
    token = 'c7hExXeDZ8KO/3bKyfZc53cppDdUyq38tCBZjvNyyyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )