UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YUMl7+urXb1ZGG1YMx77huHK4InExIuMTNKrYW444kw=' 
WHERE 
  key_id = 'bd016f5340f6e277259f82155d43f5b2c81b617f8cf6da1a13c0bb60c9f51125' 
  AND (
    token = 'YUMl7+urXb1ZGG1YMx77huHK4InExIuMTNKrYW444kw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029