UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'la43BHlBwrYGVbl8S5dFsvYvcI8zFmNVwWz/LNMjiCI=' 
WHERE 
  key_id = '83f5e202f8e4a18ae281e56561be6cd72a552092893856b934a867b7bfa52f6e' 
  AND (
    token = 'la43BHlBwrYGVbl8S5dFsvYvcI8zFmNVwWz/LNMjiCI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )