UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tLt+dVxeGmecdjKwndlHGRuPgzkPCsi39B/d5q+CLZQ=' 
WHERE 
  key_id = 'a51fb99907984e7344cf1564d20f9d58f061414e6b79039a01ac1730c0f390cd' 
  AND (
    token = 'tLt+dVxeGmecdjKwndlHGRuPgzkPCsi39B/d5q+CLZQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )