UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EP3KRMiq8HNY8ITa7aCzPTe98o4xb7LCUL9xRIvx39A=' 
WHERE 
  key_id = '7955a63f66570fa6a692aa6f1caeb42c270ead1bd826a72af9da86de522e2632' 
  AND (
    token = 'EP3KRMiq8HNY8ITa7aCzPTe98o4xb7LCUL9xRIvx39A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )