UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nGgAHjiyoI6eyEaaLfulcsFfTS9BIhBrebhfVmb7wEo=' 
WHERE 
  key_id = '68b88b3f296a31344307001c277e2bb0c91a21b1879ef885041636f8b6c23938' 
  AND (
    token = 'nGgAHjiyoI6eyEaaLfulcsFfTS9BIhBrebhfVmb7wEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )