UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRszqZrcFSJHwynrMBqYtSTVYfXdex4z6A99gsXNTuE=' 
WHERE 
  key_id = '32870d4e77139f057f52c8fda8cb15608e8ea0d26dadbe1395772ecaf205b245' 
  AND (
    token = 'MRszqZrcFSJHwynrMBqYtSTVYfXdex4z6A99gsXNTuE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )