UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dPq7JEmNfkFdpZ+57RMrBe//ZlVU6dedfLtGmhD7R1s=' 
WHERE 
  key_id = '7971bf1e38e9029f977bd8b36d4c76026a98280f5188a54950672b3e159ebdef' 
  AND (
    token = 'dPq7JEmNfkFdpZ+57RMrBe//ZlVU6dedfLtGmhD7R1s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )