UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BCCqwwAJx8ZIRdvo91stfsugUx73u824yotagA5dZ50=' 
WHERE 
  key_id = '6e594f4a0a98673bb904f63316d84ced5c45fcd6a3252a3c352476bb404bae9b' 
  AND (
    token = 'BCCqwwAJx8ZIRdvo91stfsugUx73u824yotagA5dZ50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )