UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mER8i7hoKkL+Qx/55wAB470hqSsUtlEvKp9TsZYyiEE=' 
WHERE 
  key_id = 'be6309b700899ac26c3fcb0eb2d9f89fbf3f5ea38130c978bbe5e7948a4ee58e' 
  AND (
    token = 'mER8i7hoKkL+Qx/55wAB470hqSsUtlEvKp9TsZYyiEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )