UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KmB6NHQB7f/eIm/AL7XImK8CcKWGZ3GgnmcpWhiJLko=' 
WHERE 
  key_id = 'e18b028451ba34820a44cf55db9ee499d6e57028658c8cd8b453dced2ec2a1e7' 
  AND (
    token = 'KmB6NHQB7f/eIm/AL7XImK8CcKWGZ3GgnmcpWhiJLko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )