UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qJqG+kdhT2AkCYc5g6xFmiyG/X3KW25IzaKSkUFL7fs=' 
WHERE 
  key_id = '6981b4ebf8762959f0156a310b77db81a94e3820e784d93bee7c46fe8dea342b' 
  AND (
    token = 'qJqG+kdhT2AkCYc5g6xFmiyG/X3KW25IzaKSkUFL7fs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )