UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gTFo9L0JR2XexfAbOkI/hAFzglumhVApAj9CPy725Qg=' 
WHERE 
  key_id = '73789ee54c82da4a053c8c7d06e65d5d10fe10ebcab7c1affba55ad9a1f97fc9' 
  AND (
    token = 'gTFo9L0JR2XexfAbOkI/hAFzglumhVApAj9CPy725Qg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026