UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XkFtpCwowi1X+pbRYWzw6v+hv63UTNz9WhPMtuPXYKQ=' 
WHERE 
  key_id = '1c1cd1a03ecc831c293ab759686542fdb1e943588e19830014ea13b8cce07c8c' 
  AND (
    token = 'XkFtpCwowi1X+pbRYWzw6v+hv63UTNz9WhPMtuPXYKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )