UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGeuY67Ngwc4+eLRch0DIKcUrDiFOwHBjnLlVkqamb0=' 
WHERE 
  key_id = '97a98be8d145a650566fae0a006651e4beddb576ea44ce02516e70bcc0d5e1f6' 
  AND (
    token = 'MGeuY67Ngwc4+eLRch0DIKcUrDiFOwHBjnLlVkqamb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )