UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4m2HAOrgXWjedP5WQH3yacbJhVSQzdXZopJslFmADSg=' 
WHERE 
  key_id = '7f3468593b74c412e5177972efa3a6407165b6a08feebd37efdb998161ad790a' 
  AND (
    token = '4m2HAOrgXWjedP5WQH3yacbJhVSQzdXZopJslFmADSg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )