UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XA/eJShcjQX9Hjo1g1bk/g6+x4ljamr/6bJGzGvj9QY=' 
WHERE 
  key_id = 'f6d6642a1d9477fce7eb2507b95215c3974a14e7399a96fede8518e66b3255c5' 
  AND (
    token = 'XA/eJShcjQX9Hjo1g1bk/g6+x4ljamr/6bJGzGvj9QY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038