UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X2n/6XjvdgInAsVohalhbUCBBddROMil3G+ILhN4vFU=' 
WHERE 
  key_id = '268b6f6f22e84625bf92aa01a5cb487ec5d464b97be3207a8ae2a452f9aa7aa9' 
  AND (
    token = 'X2n/6XjvdgInAsVohalhbUCBBddROMil3G+ILhN4vFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )