UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FrkpJJKhWQKkwZAErjpjWFZWDg0+eHqH4ZIV0cDMwZs=' 
WHERE 
  key_id = '977412a334a3dfc2a1a4b929186190199550e95c658211832e9d8036069db9d2' 
  AND (
    token = 'FrkpJJKhWQKkwZAErjpjWFZWDg0+eHqH4ZIV0cDMwZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )