UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iaZ5y0JgZU8mo0/PVsTYmDLBXsGF84UXtHX3KJbyz1c=' 
WHERE 
  key_id = '4c38c8d2384c3010398621ba8838c8198fab75bebf768da329415906aae5e4e9' 
  AND (
    token = 'iaZ5y0JgZU8mo0/PVsTYmDLBXsGF84UXtHX3KJbyz1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )