UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a50Nht7g/DCefFZ0Eh7dM8yEeViZfm7ZBgqUlSQAgYk=' 
WHERE 
  key_id = '6bc1bb44cba4e622a9cfb1e904af2cf8d1f302867a5566fe4c08dd7dbf3a91cd' 
  AND (
    token = 'a50Nht7g/DCefFZ0Eh7dM8yEeViZfm7ZBgqUlSQAgYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )