UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+xxzjLLhJLdEMlvEuZMh5cdxo8CDS97IyrP4fQdRsk=' 
WHERE 
  key_id = 'a4982f027e813840df33b54ccc03696d53ff001b0508fa411e7a375642b886b4' 
  AND (
    token = 'n+xxzjLLhJLdEMlvEuZMh5cdxo8CDS97IyrP4fQdRsk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )