UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8C+C3h9/Zjpr+UVGesNRs40l8v7wZeUJtbBf3Cb1v0=' 
WHERE 
  key_id = 'c793afafc636aff87c8d482baadb9a834cce58c94a61e043fcc7734097828126' 
  AND (
    token = 'r8C+C3h9/Zjpr+UVGesNRs40l8v7wZeUJtbBf3Cb1v0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )