UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'au8sVQaNGH3EIA6th4dEbGn2QdyCvhxIbKOuuTkbTAk=' 
WHERE 
  key_id = '039dd975dc2e67573047fa12fbdb2ca6c533947f4175b1828e39690843e69c8c' 
  AND (
    token = 'au8sVQaNGH3EIA6th4dEbGn2QdyCvhxIbKOuuTkbTAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )