UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fZXCu0G0eliqS6tWZOm2D8k2XobGFFylvxRl3cU0pt8=' 
WHERE 
  key_id = '6476ea9397c86c2151260d313fff965178d066d5877d889a506e55c53e9da0ff' 
  AND (
    token = 'fZXCu0G0eliqS6tWZOm2D8k2XobGFFylvxRl3cU0pt8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )