UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KQkA6wXOiiqzM21GT2IPVqOIlfyi2YZs6OubbTyX7Sk=' 
WHERE 
  key_id = '55f995c4bf2a80a95f95381c5de199e0a41d9ad3cc3008538d71f387127c5b52' 
  AND (
    token = 'KQkA6wXOiiqzM21GT2IPVqOIlfyi2YZs6OubbTyX7Sk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )