UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tj/+fekrj5x9xIdgPdMAQh/Nu4SKCWYlYervxQ1Dq5Q=' 
WHERE 
  key_id = '2be4861864ac5b6004e5ebebf08864601e0b969a02ee56472e0ca7349994ede3' 
  AND (
    token = 'Tj/+fekrj5x9xIdgPdMAQh/Nu4SKCWYlYervxQ1Dq5Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )