UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'liDJiZr3sPXGLJSfgBvp9Z7qq6Ge5aiF0BWAeykFVMY=' 
WHERE 
  key_id = '747eb47d7a1c03eee3083a11116b8bb2ef8e372328955b2906f3f1865496c7b8' 
  AND (
    token = 'liDJiZr3sPXGLJSfgBvp9Z7qq6Ge5aiF0BWAeykFVMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039