UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kR8uhgbPc/T3OEOMNRXX88ocrewvpGRJBt7Q87BCdbc=' 
WHERE 
  key_id = '75b3e3ba4a81b1220f0b1a6906cf40baf2101cde3a60348ec4dd8130f6d68495' 
  AND (
    token = 'kR8uhgbPc/T3OEOMNRXX88ocrewvpGRJBt7Q87BCdbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )