UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ueRqh4x3e7aZHEGxwFkPkfstjjmAtcL5R6elLt3XTv4=' 
WHERE 
  key_id = 'ba2e810c21f4bde4a5c24dc1aa2a1ef74628e2e5722f3b95748b31666d3e87c4' 
  AND (
    token = 'ueRqh4x3e7aZHEGxwFkPkfstjjmAtcL5R6elLt3XTv4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )