UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SRgMtXx3tb1n+KdHjQ5Oml79lFAjCpujlmeQG5h0EfE=' 
WHERE 
  key_id = '40a38a2cb331642039a392b0692a256d21f30d8894e60f39a5e8a7b96463f6bf' 
  AND (
    token = 'SRgMtXx3tb1n+KdHjQ5Oml79lFAjCpujlmeQG5h0EfE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )