UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rTGERBVyqnNprmsz/W1LairIRlDKuIaA+1E+espTIsg=' 
WHERE 
  key_id = '878818972d3255d2db1acc5a8a48a040d7b9ea776d28fbdfe6f2c2fa146ad608' 
  AND (
    token = 'rTGERBVyqnNprmsz/W1LairIRlDKuIaA+1E+espTIsg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )