UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AQehWfrORFLIi4cwWeEeAl7GH9C1Oxp9RmeHfhJcdYs=' 
WHERE 
  key_id = '21d644b735bd336afa30864705c7da8d9b90b5d41589efdec87361b832d0687d' 
  AND (
    token = 'AQehWfrORFLIi4cwWeEeAl7GH9C1Oxp9RmeHfhJcdYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )