UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6oxpD8Nc7/FFEJw6Li71p+PWes91pZihQQ0KguOzGY0=' 
WHERE 
  key_id = '4849269bdc157205f243e5fcfaa9c982fa11f9d3b709f1f358995cb857c02f0a' 
  AND (
    token = '6oxpD8Nc7/FFEJw6Li71p+PWes91pZihQQ0KguOzGY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )