UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YBVtAZ1NI4IcGDq0oBwD7GOiIB75Krg9MY24wtZ3CYo=' 
WHERE 
  key_id = 'cb8f9be543f79843fa5f0aa6bf7f93523a0f37fdd5613b23e7bdc67b90b3a032' 
  AND (
    token = 'YBVtAZ1NI4IcGDq0oBwD7GOiIB75Krg9MY24wtZ3CYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042