UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uW5unh+/XJyelJloA+9cfVAOUK/c1nAhQNAZOY91KGY=' 
WHERE 
  key_id = '81d50b946ff1231f49c4a173183558ed5e2578a09e49f038e18afa1fb60c0674' 
  AND (
    token = 'uW5unh+/XJyelJloA+9cfVAOUK/c1nAhQNAZOY91KGY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )