UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'snA7NG08SlwhPDpTWETp0aiDuUxcyi2oO0L64aVCv3Q=' 
WHERE 
  key_id = '276e8bdef237884feca6c5db5097be07815980d5fb5ed66c2659a29d2f8f5503' 
  AND (
    token = 'snA7NG08SlwhPDpTWETp0aiDuUxcyi2oO0L64aVCv3Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )