UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IWb7+tTBLTKkjk7BQHXXPbWt09HL0vhKj+6i2nMxbPs=' 
WHERE 
  key_id = '6f70784ff7b4bcbf1dcf7532d3e52687cbcca7f3b45662bae01cb6e9eeadf75c' 
  AND (
    token = 'IWb7+tTBLTKkjk7BQHXXPbWt09HL0vhKj+6i2nMxbPs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )