UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zQH4KpUInRFFlw6eeufvkljS5Y0BO1Siuoq22KsPiYc=' 
WHERE 
  key_id = '75974bcf792e98abeb86a47199514b98d919e8dc055ca9abb244743d914666c9' 
  AND (
    token = 'zQH4KpUInRFFlw6eeufvkljS5Y0BO1Siuoq22KsPiYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )