UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wct0X+2YLBuwPZnoEJLVcndYQRLC5e6dVNS+JVW8yh0=' 
WHERE 
  key_id = '8683a4a408f8d3cd972fa7839a6ac26c7937ae83c79cb5136514acbd7aebf984' 
  AND (
    token = 'Wct0X+2YLBuwPZnoEJLVcndYQRLC5e6dVNS+JVW8yh0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )