UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YIAtTBPZWrORF9GdbIbGrlbioxBB7BbjRzbWdc+rauM=' 
WHERE 
  key_id = '50bea9964d8d295ba2adb327c63ef3156327a1f0ae966b0cadbd13b486e03403' 
  AND (
    token = 'YIAtTBPZWrORF9GdbIbGrlbioxBB7BbjRzbWdc+rauM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )