UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BnOtrLAmi1DrnIvbiAMzmty+xn0nEkpBoCBNZ+8+OJ0=' 
WHERE 
  key_id = '270c6a783133330d7a2313d5f088af0f76a0504d1ce200ebf6ecb68035b1621d' 
  AND (
    token = 'BnOtrLAmi1DrnIvbiAMzmty+xn0nEkpBoCBNZ+8+OJ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )