UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QR1eG2zUVyMuVRdpgf43TV0M1M8yhviNbMfwttYeL30=' 
WHERE 
  key_id = '96b43d21acd90d2a8f05ab2856643306494e5eb31f727642f10361b7afb0b1e2' 
  AND (
    token = 'QR1eG2zUVyMuVRdpgf43TV0M1M8yhviNbMfwttYeL30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )