UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '475LTq2UJEBZLF1g2RZstsL841dDPAfLXJuSe8/tyck=' 
WHERE 
  key_id = '8b7571e58ef89fbbfa7838dc70c6bceed601e81f0b828e4f080a833f71d6445f' 
  AND (
    token = '475LTq2UJEBZLF1g2RZstsL841dDPAfLXJuSe8/tyck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )