UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8PU1HDDywa2hsMEtTJHRXdBYLBN3rPQZLclfmz9UShc=' 
WHERE 
  key_id = '5149cf598465c09b310c85eba4da8023100775bc887fd729d551c6a8f7329c7d' 
  AND (
    token = '8PU1HDDywa2hsMEtTJHRXdBYLBN3rPQZLclfmz9UShc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )