UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Frrgv7e4VTDuKlkNJCn8tvk82KOvCzvp2cP6hlGQt80=' 
WHERE 
  key_id = '68d881ec93bba6747df1b5638191a6711b1a13e46d93e0351c81e132acc05029' 
  AND (
    token = 'Frrgv7e4VTDuKlkNJCn8tvk82KOvCzvp2cP6hlGQt80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )