UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RPBEU5vj6yPG72fQKNtaaPjTDVz6uMOSpVSZ1OstDng=' 
WHERE 
  key_id = 'd0a4735988be2965e7d0a85965d7c7e1afd6d2196b871167f31a546f7900138d' 
  AND (
    token = 'RPBEU5vj6yPG72fQKNtaaPjTDVz6uMOSpVSZ1OstDng=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )