UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gDXNcTxzhOYLBlJtqq07kVLVfvVKq0T76fDb0rtRtm0=' 
WHERE 
  key_id = 'b6fa4af1ca829ca4d1514b72c0d0fe8f4971a3c63f4c5884ebeb33b074ebd9b8' 
  AND (
    token = 'gDXNcTxzhOYLBlJtqq07kVLVfvVKq0T76fDb0rtRtm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019