UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BzK+QmMaMwp45Xn5ouzDTx1PDZsEPeQUygE2ijYTyHw=' 
WHERE 
  key_id = 'f49636902fc9acc81d428585b6cda3105e084a92b208434cf70d246f7e3883a2' 
  AND (
    token = 'BzK+QmMaMwp45Xn5ouzDTx1PDZsEPeQUygE2ijYTyHw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )