UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k2VWrRzdOd68OdAsm8jVwU7GMRcJ2zxxRDDmwcXYwaw=' 
WHERE 
  key_id = 'a1af31fda95408d02c7b4e33f053e50d636813a2c22a821c9fe2c6f6b99a0f3a' 
  AND (
    token = 'k2VWrRzdOd68OdAsm8jVwU7GMRcJ2zxxRDDmwcXYwaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )