UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LtDT/xJQ4rI1ghefi+8qEu+bVTkzT8RB6ld9Cfmjp2w=' 
WHERE 
  key_id = '15f409cd06c2c04872773869fb190a93a7888903c57a06962fa89b67798569a8' 
  AND (
    token = 'LtDT/xJQ4rI1ghefi+8qEu+bVTkzT8RB6ld9Cfmjp2w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )