UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bEGZ9nkoWrqq/ZdjT1tm0/fkR5BRRlyiWwunbiq5AaY=' 
WHERE 
  key_id = 'a27af91df5f19e9ebf957fef140e0221f37e3688c340043e09764e2bcd14e91e' 
  AND (
    token = 'bEGZ9nkoWrqq/ZdjT1tm0/fkR5BRRlyiWwunbiq5AaY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )