UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CcU55ahy2uRezsabxuY4XPE5m4znJAVetfkjI3HGfSM=' 
WHERE 
  key_id = '849ad657041cea244539af0cb9d13d556c07ed53f8de7067a8ce681a2b9727e6' 
  AND (
    token = 'CcU55ahy2uRezsabxuY4XPE5m4znJAVetfkjI3HGfSM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )