UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1Vd6RPmv/XmBYt4K2rH1Lg9azd+ytonARHcqo18NBCE=' 
WHERE 
  key_id = 'b6935bed83a252fdee19f30387ac71aea42a74dd99a9696fe184081f2663c3c8' 
  AND (
    token = '1Vd6RPmv/XmBYt4K2rH1Lg9azd+ytonARHcqo18NBCE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )