UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtGhB4lwjYb2FTPValJk8GLhHHDETsFKMXcnUCvjmjE=' 
WHERE 
  key_id = '1b11ab7b842ac5d702551784926e4896a2ffc3d94b196d57968b18b6f358866a' 
  AND (
    token = 'PtGhB4lwjYb2FTPValJk8GLhHHDETsFKMXcnUCvjmjE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )