UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xX9dMCnc/u85D7A1bLiG5YS2A6T7xU7ekTbcMhz0kPI=' 
WHERE 
  key_id = '6ff8cb5b3dfa9340081c4699a4c88b319edee58180d4a413cf8e6abf4fe453cb' 
  AND (
    token = 'xX9dMCnc/u85D7A1bLiG5YS2A6T7xU7ekTbcMhz0kPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )