UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3tMUXf5rogSlxHjkldgjoLn7z7iwnNmo03LSn6Iov6Q=' 
WHERE 
  key_id = '268bbcb8054fc58d9cd434e14487f6ef6099878c2e35a428119c1c904b916e6b' 
  AND (
    token = '3tMUXf5rogSlxHjkldgjoLn7z7iwnNmo03LSn6Iov6Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )