UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QW/PFgPLVnj5z6bIfL98Xh3T4CwC1clRVm1jj6nsnuA=' 
WHERE 
  key_id = 'af6ae3533f65146030fe40acf16ee75a93fc95dbad22d543b7445f8ec6b1fdb0' 
  AND (
    token = 'QW/PFgPLVnj5z6bIfL98Xh3T4CwC1clRVm1jj6nsnuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036