UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Khr56b4sMAzTMV1ts1N12EXb5n47wekgqoYH6ODr5dI=' 
WHERE 
  key_id = '6d54136ce42084ea45292e693118b0ecaf11ba2c12d8f2f4ac024c2d758fe6a2' 
  AND (
    token = 'Khr56b4sMAzTMV1ts1N12EXb5n47wekgqoYH6ODr5dI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )